Statements In Java

Control Statements In Java

Control statements are the statements which alter the flow of execution. The following control statements are available in java:

• if else statement
• do while loop
• while loop
• for loop
• for each loop
• switch statement
• break statement
• continue statement

if else Statement

Syntax

if(condition)

     statement 1 ;

[else statement 2;]

Program 1

Write a program to test if a number is positive or negative.

Program 2

Write a program to find the largest of two numbers

Program 3

Write a program to find even or odd

Program 4

Write a program to find the leap year

Program 5

Write a program to display examination result

do while Loop

Syntax

do {

       statements;

       }

while (condition);

Program

Write a program to display numbers from 1 to 10

while Loop

Syntax

while(condition)

      {

           statements;

       }

Program 1

Write a program to display 1 to 20 

Program 2

Write a program to find the reverse of a number

Program 3

Write a program to find the sum of digits

Program 4

Write a program to find the palindrome

for Loop

Syntax

   for( expression1; expression2; expression3)
     {
      statements;
       }

Program 1

 Write a program to find the factorial of a number

program 2

Write a program to calculate the sum of squares of n even numbers

Program 3

write a program to display multiplication table of a number

Program 4

write a program to display the cube of a number

Nested for Loops

We can write a for loop within another for loop. Such loops are called nested for loops.

Problem 1

Write a program to print the following pattern

1
1 2
1 2 3
1 2 3 4
1 2 3 4 5

Program 2

Print the following pattern using for loop

* * * * *
* * * * *
* * * * *

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Accepting input outputs from the keyboard 

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Anu k Joy