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Learn

Java

Learn Java

Programming

Complete JAVA tutorial and reference dataset.

intermediate430 lessons~9.68 hours

Progress0/430 · 0%

What you'll learn

Java Tutorial
Java Methods
Java Classes
Java Errors
Java File Handling
Java I/O Streams
Java Data Structures
Java Advanced

Lessons

Java Tutorial· 55 lessons

01Java Tutorial2 min 02Java Introduction2 min 03Java Getting Started2 min 04Java Syntax2 min 05Java Statements2 min 06Java Output / Print1 min 07Java Output Numbers1 min 08Java Comments1 min 09Java Variables2 min 10Java Print Variables1 min 11Java Declare Multiple Variables1 min 12Java Identifiers1 min 13Java Constants (final)1 min 14Java Variables - Examples1 min 15Java Data Types2 min 16Java Numbers2 min 17Java Boolean Data Types1 min 18Java Characters1 min 19Java Data Types Example1 min 20Java Non-Primitive Data Types1 min 21Java var Keyword2 min 22Java Type Casting1 min 23Java Operators1 min 24Java Arithmetic Operators2 min 25Java Assignment Operators2 min 26Java Comparison Operators1 min 27Java Logical Operators1 min 28Java Operator Precedence1 min 29Java Strings2 min 30Java String Concatenation1 min 31Java Numbers and Strings1 min 32Java Special Characters1 min 33Java Math2 min 34Java Booleans2 min 35Java Boolean Examples1 min 36Java If ... Else3 min 37Java Else1 min 38Java Else If1 min 39Java Short Hand If...Else (Ternary Operator)1 min 40Java Nested If1 min 41Java Logical Operators in Conditions1 min 42Java If ... Else Examples1 min 43Java Switch2 min 44Java While Loop2 min 45Java Do/While Loop2 min 46Java While Loop Examples1 min 47Java For Loop2 min 48Java Nested Loops1 min 49Java For Each Loop1 min 50Java For Loop Examples1 min 51Java Break and Continue1 min 52Java Arrays2 min 53Java Arrays Loop2 min 54Java Arrays - Real-Life Examples1 min 55Java Multi-Dimensional Arrays2 min

Java Methods· 6 lessons

56Java Methods2 min 57Java Method Parameters1 min 58Java Return1 min 59Java Method Overloading1 min 60Java Scope2 min 61Java Recursion3 min

Java Classes· 21 lessons

62Java OOP2 min 63Java Classes and Objects2 min 64Java Class Attributes2 min 65Java Class Methods2 min 66Java Constructors1 min 67Java this2 min 68Java Modifiers2 min 69Java Non-Access Modifiers2 min 70Java Encapsulation2 min 71Java Packages3 min 72Java Inheritance1 min 73Java Polymorphism1 min 74Java super1 min 75Java Inner Classes1 min 76Java Abstraction2 min 77Java Interface2 min 78Java Anonymous Class1 min 79Java Enums2 min 80Java Enum Constructor1 min 81Java User Input (Scanner)2 min 82Java Date and Time2 min

Java Errors· 5 lessons

83Java Errors2 min 84Java Debugging2 min 85Java Exceptions - Try...Catch3 min 86Java Multiple Exceptions1 min 87Java try-with-resources1 min

Java File Handling· 5 lessons

88Java Files2 min 89Java Create Files1 min 90Java Write To Files2 min 91Java Read Files2 min 92Java Delete Files1 min

Java I/O Streams· 5 lessons

93Java I/O Streams1 min 94Java FileInputStream2 min 95Java FileOutputStream2 min 96Java BufferedReader1 min 97Java BufferedWriter2 min

Java Data Structures· 16 lessons

98Java Data Structures2 min 99Java Collections Framework2 min 100Java List2 min 101Java ArrayList3 min 102Java LinkedList3 min 103Java List Sorting1 min 104Java Set1 min 105Java HashSet2 min 106Java TreeSet2 min 107Java LinkedHashSet2 min 108Java Map2 min 109Java HashMap3 min 110Java TreeMap2 min 111Java LinkedHashMap3 min 112Java Iterator2 min 113Java Algorithms2 min

Java Advanced· 7 lessons

114Java Wrapper Classes2 min 115Java Generics2 min 116Java Annotations2 min 117Java Regular Expressions3 min 118Java Threads2 min 119Java Lambda Expressions2 min 120Java Advanced Sorting (Comparator and Comparable)3 min

Java Projects· 1 lessons

121Java ProjectsProject2 min

Java How To's· 40 lessons

122Java How To's3 min 123Java How To Add Two Numbers1 min 124Java How To Swap Two Variables1 min 125Java How To Find Even or Odd Numbers1 min 126Java How To Reverse a Number1 min 127Java How To Find Positive or Negative Numbers1 min 128Java How To Find the Square Root of a Number1 min 129Java How To Get the Area of a Rectangle1 min 130Java How To - Convert Celsius to Fahrenheit1 min 131Java How To - Sum of Digits1 min 132Java How To Check Armstrong Number1 min 133Java How To Generate Random Numbers1 min 134Java How To Count Words1 min 135Java How To - Count Vowels in a String1 min 136Java How To Remove Vowels from a String1 min 137Java How To Count Digits in a String1 min 138Java How To Reverse a String1 min 139Java How To - Palindrome Check1 min 140Java How To Check Anagram Strings1 min 141Java How To Convert a String to an Array1 min 142Java How To - Remove Whitespace from a String1 min 143Java How To - Character Frequency in a String1 min 144Java How To Calculate the Sum of Elements1 min 145Java How To Find the Average of Array Elements1 min 146Java How To Sort an Array1 min 147Java How To - Smallest Element in an Array1 min 148Java How To - Largest Element in an Array1 min 149Java How To - Second Largest Array Element1 min 150Java How To Find Min and Max in Array1 min 151Java How To - Merge Two Arrays1 min 152Java How To - Remove Duplicates from an Array1 min 153Java How To Find Duplicates in an Array1 min 154Java How To - Shuffle an Array1 min 155Java How To - Calculate Factorial of a Number1 min 156Java How To - Fibonacci Sequence1 min 157Java How To Find the GCD1 min 158Java How To - Check if a Number Is Prime1 min 159Java How To Loop Through an ArrayList1 min 160Java How To Loop Through a HashMap1 min 161Java How To Loop Through an Enum1 min

Java Reference· 265 lessons

162Java Reference DocumentationReference1 min 163Java KeywordsReference4 min 164Java assert KeywordReference1 min 165Java abstract KeywordReference1 min 166Java boolean KeywordReference1 min 167Java break KeywordReference1 min 168Java byte KeywordReference1 min 169Java case KeywordReference1 min 170Java catch KeywordReference1 min 171Java char KeywordReference1 min 172Java class KeywordReference1 min 173Java continue KeywordReference1 min 174Java default KeywordReference1 min 175Java do KeywordReference1 min 176Java double KeywordReference1 min 177Java else KeywordReference1 min 178Java enum KeywordReference1 min 179Java exports KeywordReference1 min 180Java extends KeywordReference1 min 181Java final KeywordReference1 min 182Java finally KeywordReference1 min 183Java float KeywordReference1 min 184Java for KeywordReference1 min 185Java if KeywordReference1 min 186Java implements KeywordReference2 min 187Java import KeywordReference1 min 188Java instanceof KeywordReference1 min 189Java int KeywordReference1 min 190Java interface KeywordReference2 min 191Java long KeywordReference1 min 192Java module KeywordReference1 min 193Java native KeywordReference1 min 194Java new KeywordReference1 min 195Java package KeywordReference1 min 196Java private KeywordReference1 min 197Java protected KeywordReference1 min 198Java public KeywordReference1 min 199Java return KeywordReference1 min 200Java requires KeywordReference1 min 201Java short KeywordReference1 min 202Java static KeywordReference1 min 203Java super KeywordReference1 min 204Java switch KeywordReference1 min 205Java synchronized KeywordReference1 min 206Java this KeywordReference1 min 207Java throw KeywordReference1 min 208Java throws KeywordReference1 min 209Java transient KeywordReference1 min 210Java try KeywordReference1 min 211Java var KeywordReference1 min 212Java void KeywordReference1 min 213Java volatile KeywordReference1 min 214Java while KeywordReference1 min 215Java String MethodsReference4 min 216Java String charAt() MethodReference1 min 217Java String codePointAt() MethodReference1 min 218Java String codePointBefore() MethodReference1 min 219Java String codePointCount() MethodReference1 min 220Java String compareTo() MethodReference1 min 221Java String compareToIgnoreCase() MethodReference1 min 222Java String concat() MethodReference1 min 223Java String contains() MethodReference1 min 224Java String contentEquals() MethodReference1 min 225Java String copyValueOf() MethodReference1 min 226Java String endsWith() MethodReference1 min 227Java String equals() MethodReference1 min 228Java String equalsIgnoreCase() MethodReference1 min 229Java String format() MethodReference7 min 230Java String getBytes() MethodReference1 min 231Java String getChars() MethodReference1 min 232Java String hashCode() MethodReference1 min 233Java String indexOf() MethodReference1 min 234Java String isEmpty() MethodReference1 min 235Java String join() MethodReference1 min 236Java String lastIndexOf() MethodReference1 min 237Java String length() MethodReference1 min 238Java String matches() MethodReference1 min 239Java String offsetByCodePoints() MethodReference1 min 240Java String regionMatches() MethodReference1 min 241Java String replace() MethodReference1 min 242Java String replaceAll() MethodReference1 min 243Java String replaceFirst() MethodReference1 min 244Java String split() MethodReference1 min 245Java String startsWith() MethodReference1 min 246Java String subSequence() MethodReference1 min 247Java String substring() MethodReference1 min 248Java String toCharArray() MethodReference1 min 249Java String toLowerCase() MethodReference1 min 250Java String toString() MethodReference1 min 251Java String toUpperCase() MethodReference1 min 252Java String trim() MethodReference1 min 253Java String valueOf() MethodReference1 min 254Java Math MethodsReference4 min 255Java Math abs() MethodReference1 min 256Java Math acos() MethodReference1 min 257Java Math addExact() MethodReference1 min 258Java Math asin() MethodReference1 min 259Java Math atan() MethodReference1 min 260Java Math atan2() MethodReference1 min 261Java Math cbrt() MethodReference1 min 262Java Math ceil() MethodReference1 min 263Java Math copySign() MethodReference1 min 264Java Math cos() MethodReference1 min 265Java Math cosh() MethodReference1 min 266Java Math decrementExact() MethodReference1 min 267Java Math exp() MethodReference1 min 268Java Math expm1() MethodReference1 min 269Java Math floor() MethodReference1 min 270Java Math floorDiv() MethodReference1 min 271Java Math floorMod() MethodReference1 min 272Java Math getExponent() MethodReference1 min 273Java Math hypot() MethodReference1 min 274Java Math IEEEremainder() MethodReference1 min 275Java Math incrementExact() MethodReference1 min 276Java Math log() MethodReference1 min 277Java Math log10() MethodReference1 min 278Java Math log1p() MethodReference1 min 279Java Math max() MethodReference1 min 280Java Math min() MethodReference1 min 281Java Math multiplyExact() MethodReference1 min 282Java Math negateExact() MethodReference1 min 283Java Math nextAfter() MethodReference1 min 284Java Math nextDown() MethodReference1 min 285Java Math nextUp() MethodReference1 min 286Java Math pow() MethodReference1 min 287Java Math random() MethodReference1 min 288Java Math rint() MethodReference1 min 289Java Math round() MethodReference1 min 290Java Math scalb() MethodReference1 min 291Java Math signum() MethodReference1 min 292Java Math sin() MethodReference1 min 293Java Math sinh() MethodReference1 min 294Java Math sqrt() MethodReference1 min 295Java Math subtractExact() MethodReference1 min 296Java Math tan() MethodReference1 min 297Java Math tanh() MethodReference1 min 298Java Math toDegrees() MethodReference1 min 299Java Math toIntExact() MethodReference1 min 300Java Math toRadians() MethodReference1 min 301Java Math ulp() MethodReference1 min 302Java Output MethodsReference1 min 303Java Output print() MethodReference1 min 304Java Output printf() MethodReference7 min 305Java Output println() MethodReference1 min 306Java Arrays ClassReference1 min 307Java Arrays.compare() MethodReference1 min 308Java Arrays.equals() MethodReference1 min 309Java Arrays.sort() MethodReference1 min 310Java Arrays.fill() MethodReference1 min 311Java Array length PropertyReference1 min 312Java ArrayList MethodsReference3 min 313Java ArrayList add() MethodReference1 min 314Java ArrayList add() MethodReference1 min 315Java ArrayList clear() MethodReference1 min 316Java ArrayList clone() MethodReference1 min 317Java ArrayList contains() MethodReference1 min 318Java ArrayList ensureCapacity() MethodReference1 min 319Java ArrayList forEach() MethodReference1 min 320Java ArrayList get() MethodReference1 min 321Java ArrayList indexOf() MethodReference1 min 322Java ArrayList isEmpty() MethodReference1 min 323Java ArrayList iterator() MethodReference1 min 324Java ArrayList lastIndexOf() MethodReference1 min 325Java ArrayList listIterator() MethodReference1 min 326Java ArrayList remove() MethodReference2 min 327Java ArrayList removeAll() MethodReference1 min 328Java ArrayList removeIf() MethodReference1 min 329Java ArrayList replaceAll() MethodReference1 min 330Java ArrayList retainAll() MethodReference1 min 331Java ArrayList set() MethodReference1 min 332Java ArrayList size() MethodReference1 min 333Java ArrayList sort() MethodReference1 min 334Java ArrayList spliterator() MethodReference1 min 335Java ArrayList subList() MethodReference1 min 336Java ArrayList toArray() MethodReference2 min 337Java ArrayList trimToSize() MethodReference1 min 338Java LinkedList MethodsReference4 min 339Java LinkedList add() MethodReference1 min 340Java LinkedList add() MethodReference1 min 341Java LinkedList clear() MethodReference1 min 342Java LinkedList clone() MethodReference1 min 343Java LinkedList contains() MethodReference1 min 344Java LinkedList forEach() MethodReference1 min 345Java LinkedList get() MethodReference1 min 346Java LinkedList getFirst() MethodReference1 min 347Java LinkedList getLast() MethodReference1 min 348Java LinkedList indexOf() MethodReference1 min 349Java LinkedList isEmpty() MethodReference1 min 350Java LinkedList iterator() MethodReference1 min 351Java LinkedList lastIndexOf() MethodReference1 min 352Java LinkedList listIterator() MethodReference1 min 353Java LinkedList remove() MethodReference2 min 354Java LinkedList removeAll() MethodReference1 min 355Java LinkedList removeFirst() MethodReference1 min 356Java LinkedList removeIf() MethodReference1 min 357Java LinkedList removeLast() MethodReference1 min 358Java LinkedList replaceAll() MethodReference1 min 359Java LinkedList retainAll() MethodReference1 min 360Java LinkedList set() MethodReference1 min 361Java LinkedList size() MethodReference1 min 362Java LinkedList sort() MethodReference1 min 363Java LinkedList spliterator() MethodReference1 min 364Java LinkedList subList() MethodReference1 min 365Java LinkedList toArray() MethodReference2 min 366Java HashMap MethodsReference3 min 367Java HashMap clear() MethodReference1 min 368Java HashMap clone() MethodReference1 min 369Java HashMap compute() MethodReference1 min 370Java HashMap computeIfAbsent() MethodReference1 min 371Java HashMap computeIfPresent() MethodReference1 min 372Java HashMap containsKey() MethodReference1 min 373Java HashMap containsValue() MethodReference1 min 374Java HashMap entrySet() MethodReference1 min 375Java HashMap forEach() MethodReference1 min 376Java HashMap get() MethodReference1 min 377Java HashMap getOrDefault() MethodReference1 min 378Java HashMap isEmpty() MethodReference1 min 379Java HashMap keySet() MethodReference1 min 380Java HashMap merge() MethodReference1 min 381Java HashMap put() MethodReference1 min 382Java HashMap putAll() MethodReference1 min 383Java HashMap putIfAbsent() MethodReference1 min 384Java HashMap remove() MethodReference1 min 385Java HashMap replace() MethodReference1 min 386Java HashMap replaceAll() MethodReference1 min 387Java HashMap size() MethodReference1 min 388Java HashMap values() MethodReference1 min 389Java Scanner MethodsReference3 min 390Java Scanner close() MethodReference1 min 391Java Scanner delimiter() MethodReference1 min 392Java Scanner findInLine() MethodReference1 min 393Java Scanner findWithinHorizon() MethodReference1 min 394Java Scanner hasNext() MethodReference1 min 395Java Scanner hasNextBoolean() MethodReference1 min 396Java Scanner hasNextByte() MethodReference1 min 397Java Scanner hasNextDouble() MethodReference1 min 398Java Scanner hasNextFloat() MethodReference1 min 399Java Scanner hasNextInt() MethodReference2 min 400Java Scanner hasNextLine() MethodReference1 min 401Java Scanner hasNextLong() MethodReference2 min 402Java Scanner hasNextShort() MethodReference2 min 403Java Scanner locale() MethodReference1 min 404Java Scanner next() MethodReference1 min 405Java Scanner nextBoolean() MethodReference1 min 406Java Scanner nextByte() MethodReference2 min 407Java Scanner nextDouble() MethodReference1 min 408Java Scanner nextFloat() MethodReference1 min 409Java Scanner nextInt() MethodReference2 min 410Java Scanner nextLine() MethodReference1 min 411Java Scanner nextLong() MethodReference2 min 412Java Scanner nextShort() MethodReference2 min 413Java Scanner radix() MethodReference1 min 414Java Scanner reset() MethodReference1 min 415Java Scanner useDelimiter() MethodReference1 min 416Java Scanner useLocale() MethodReference2 min 417Java Scanner useRadix() MethodReference1 min 418Java File Class MethodsReference2 min 419Java FileInputStream MethodsReference1 min 420Java FileOutputStream MethodsReference1 min 421Java BufferedReader MethodsReference1 min 422Java BufferedWriter MethodsReference1 min 423Java Iterator InterfaceReference1 min 424Java Collections Class MethodsReference2 min 425Java System MethodsReference2 min 426Java Errors and Exception TypesReference2 min

Java Examples· 4 lessons

427Java Examples5 min 428Java Videos1 min 429Practice Java Coding ProblemsExercise13 min 430Java Interview Questions6 min