Increment and Decrement Operator in Java Part 1 - Java Tutorial 21

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Notes for You:: Increment and Decrement Operator in Java Part 1 - Java Tutorial 21

Increment and Decrement Operators:
- are used to increment or decrement a variable value by 1.

Increment Operator (++):
- is used to increment a variable value by 1.
Post Increment : variableName ++
Pre Increment : ++ variableName

Decrement Operator (--):
- is used to decrement a variable value by 1.
Post Decrement: variableName --
Pre Decrement : -- variableName

Note:
- If we use increment or decrement operator as an independent statement then we don’t find any difference in the output.
- where as If we use an increment or decrement operator as part of an expression or a function call then we find the difference in the output.

Example code1:
package incrementdecrementoperatorsdemo;

public class IncrementDecrementOperatorsDemo
{
public static void main(String[] args)
{
/*
int a = 10;
a++; // a=a; a=a+1;

int a = 10;
++a; // a=a+1; a=a;

int a = 10;
a--; // a=a; a=a-1;
*/
int a = 10;
--a; // a=a-1; a=a;

}
}

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