Real World XML

Java Conditional Statements: if, if…else, switch

After operators, the next level up is to use conditional statements. Java supports the same conditional statements as JavaScript: if, if...else, and switch.

The if statement allows you to check a condition, which you create using the Java conditional operators, such as <, >, and ==:

if (condition) {
    code executed if condition is true
}
else {
    code executed if condition is false
}

For example, say you had two double variables, assets and debts, and you wanted to compare the two to make sure you're solvent. You might want the code to display a message, such as "You're solvent.". You can do that like this:

Listing . ch10_07.java

public class ch10_07 { public static void main(String[] args) { double ...