I need help with a Java Program1:

Create a Java program: Suppose you put $10,000 into a bank account that earns 5% interest per year. Write a Java program that calculates the number of years take for the account balance to be double the original investment.Use a while-loop.

I need help with Java Program2:

Write a Java program that takes a word from the user and outputs each character of the word on a separate line. For example, if the user enters the input Paper, your program should print,

P

a

p

e

r

Use a for-loop.

I need help with Java Program3:

Write a Java program that takes positive integers from users and find the maximum until user enters a negative number. Use do-while loop.

I need help with Java Program4:

Write a Java program that takes a positive integer from the user and outputs following pattern. Suppose the user enter 5 as the input. Then your program should display pattern as

follows. Use nested loops.

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