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Program 4: Write a program to find the amount to be paid.

1 public class Amount {
2 public static void main(String args[]) {
3 int unitPrice, units, amount;

4 unitPrice = 20;
5 units = 100;
6 amount = unitPrice * units;

7 System.out.println("Total amount to be paid: " + amount);
8 }
9 }

You will get the following output:

CONDITIONAL STATEMENTS

Conditional statements allows us to change the default flow of a program. They transfer control of
a program from one statement to another, depending on the condition provided. If the provided
condition returns true, a block of specified statements is executed. Conditional statements are also
known as decision-making statements.

There are four decision-making statements in Java as follows:

if statement
if … else statement

if … else… if statement
switch statement

Let‘s learn about these decision-making statements in Java.

The if Statement

The if statement is the most basic conditional statement in Java that allow us to test a condition before
executing a block of statements. If the provided conditional expression returns true, the statements
specified in the body of the if statement are executed.

Java Programming 97