Java loop control

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Loop Control
• Statements are executed sequentially.
• Statement 1 >> statement 2 >> …
• Types of loops
1. For loop
2. While loop
3. Do while loop
4. Nested for loop

Loop Control – For Loop
• It uses when a number of iteration is fixed.
Syntax:
for(init;condition;incr/decr)
{
// code to be executed
}
Example:
for(int i;i<10;i++)
{
System.out.println(i);
}

Loop Control – While Loop
• It uses when a number of iteration is not fixed.
Syntax:
while(condition)
{
}
Example:
int i=1;
while(i<10)
{
i++;
}

Loop Control – Do While Loop
• It uses when a number of iteration is not fixed and execute at least one.
Syntax:
do
{
}
while(condition)
Example:
int i=1;
do
{
i++;
}
while(i<10)

Loop Control – Nested For Loop
• Loop inside of another loop.
• Inner loop executes completely
whenever outer loop executes.
Example:
for(int i=0;i<10;i++)
{
for(int j=0;j<=i;i++)
{
System.out.println(“* ”);
}
System.out.println(); //new line
}

Loop Control Statement ( break; )
• Loop terminated immediately
when break statement
encountered.

Loop Control Statement ( continue; )
• It uses when we need to jump from the current iteration.
Example:
for(int i=0;i<10;i++)
{
if(int i==5)
{
continue;
}
System.out.println(i);}

Java loop control

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Java loop control