Loops :
A loop statement allows us to execute a statement or group of
statements multiple times and following is the general form of a loop
statement in most of the programming languages.
1. While loop :- Repeats a statement or group of statements while a given condition is true. It tests the condition before executing the loop body.
Syntax :
while (boolean condition)
{
// loop statement.....
}
Example :
Class Technogeeks
{
public static void main(String arg[])
{
int x=1;
while (x<=4)
{
System.out.println("Value of x is" +x);
x++;
}
}
}
2. do While loop :- Like a while statement, except that it tests the condition at the end of the loop body.
Syntax :
do
{
// Ststements......
}
while (condition);
Example :
class Technogeeks
{
public static void main(String args[])
{
int x = 21;
do
{
System.out.println("Value of x is" +x);
x++;
}
while (x<20);
}
}
3. For loop :- Execute a sequence of statements multiple times and abbreviates the code that manages the loop variable.
Syntax :
for(initialization condition; texting condition ; increment/decrement)
{
//Statements
}
Example :
Class Technogeeks
{
public static void main (String args[])
{
for(int x=2; x<=4; x++)
System.out.println("Value of x is " +x);
}
}
Infinite Loop
Example :
public class Technogeeks
{
public static void main(String[] args)
{
for(int i=5; i!=0; i -=2)
{
System.out.println(i);
}
int x=5;
While(x==5)
{
System.out.println("In the loop");
}
}
.png)
.png)
Posts
