Java Programs for Beginners

Warm up

• Write a java program to print Hello on the screen
• Write a java program to add two numbers(Without user input)
• Write a java program to add two numbers(With user input)
• Write a java program to calculate area of a rectangle
• Write a java program to calculate simple interest

Decision Control

• Write a java program to check whether a given number is even or odd.
• Write a java program to find greater between two numbers

Loop

• Write a java program to print first 10 natural numbers.
• Write a java program to print first 10 odd natural numbers.
• Write a java program to print first 10 natural numbers in reverse order.
• Write a java program to print first N natural numbers.
• Java program to print first N odd natural numbers
• Write a java program to print first N natural numbers in reverse order
• Write a java program to print first N even natural numbers
• Write a java program to calculate sum of first N natural numbers
• Write a java program to calculate sum of first N even natural numbers
• Write a program to calculate sum of first N odd natural numbers
• Write a java program to calculate factorial of a number
• Write a java program to check whether a given number is prime or not.