Java Programing laungage

Core Java Tutorial

Introduction of Core Java

How To Install JDk and Set of Path

Syntax of java Program

Difference between Java and C/C++

Advantage and Disadvantage of Java

What is Java

Why Java is not Pure Object Oriented Language

Java has Following Features/Characteristics

Limitation of Java Language and Java Internet

Common Misconception about Java

Simple Program of Java

Integrated Development Environment in java

Compile and Run Java Program

Applet and Comments in Java

Tokens in Java

Keywords in Java

Identifier and Variables in Java

Literals/Constants

Data Type in Java

Assignments and Initialization in Java

Operators in Java

Rule of Precedence in Java

Operator on Integer and Separators in Java Programming

Java Control Flow of Statements

If and If-else Selection Statement

Nested If-else and If-else-If Selection Statement

switch case and conditional operator Selection Statement

for and while Loop

do..while and for each Loop

break and labeled break statement

continue and labeled continue statement

return Statement and exit() Method

Escape Sequence for Special Characters and Unicode Code

Constants and Block or Scope

Statement in Java

Conversions between Numeric Types in Java

Import Statement in Java

User Input in Java using Scanner Class

User Input in Java using Console Class

Array in Java

One Dimensional Array

Two Dimensional Array

Two Dimensional Array Program

Command Line Argument in Java

String args Types in Java

Uneven/Jagged array in java

Math Class Function and Constant

Math Class all Function used in a program

Enumerated Types in Java

Object Oriented Programming v/s Procedural Programming

Object Oriented Programming Concepts in Java

Introduction to Class,Object and Method in Java

Class Declaration in Java

Class & Objects in java

Encapsulation in Java

Modifiers/Visibility for a Class or Interrface or member of a Class

Polymorphism in Java

Runtime polymorphism (dynamic binding or method overriding)

Rule of Precedence in Java
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When two or more operator in an expression then which will be evaluated first, operator work in with the higher precedence goes first. For example, 1 + 2 * 3 is treated as 1 + (2 * 3), whereas 1 * 2 + 3 is treated as (1 * 2) + 3 since multiplication has a higher precedence than addition.

Rule of Associativity

When an expression has two operators with the same precedence, the expression is evaluated according to its associativity.

Example :

5+4*2*5%-8+13%-5
  5+8*5%-8+13%-5
  5+40%-8+13%-5
  5+0+3

Output :

8

 

Precedence of Operator

Operator DescriptionLevelAssociativity
[]access array element
.access object member
()invoke a method1Left to Right
++ post-increment
--post-decrement
++pre-increment
--pre-decrement
+unary plus2Right to Left
-unary minus
!logical NOT
~ bitwise NOT
()cast
newobject creation3Right to Left
*
/multiplicative4Left to Right
%
+-additive
+string concatenation5Left to Right
<<>>shift6Left to Right
>>>
< <=
> >=relational type comparison7Left to Right
instanceof
==equality8Left to Right
!=
& bitwise AND9Left to Right
^ bitwise XOR 10Left to Right
| bitwise OR11Left to Right
&& conditional AND12Left to Right
||conditional OR13 left to Right
?:conditional14Right to Left
= += -=
*= /= %=assignment15Right to Left
&= ^= |= conditional AND12Left to Right
<<= >>= >>>=
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