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1.2 Variables — = versus ==

Lesson

= assigns — it puts a value into a variable. == compares two values and produces true or false. Mixing them up is a classic bug.

x = 5;    // assign: store 5 in x
x == 5    // compare: is x equal to 5?

▶ Try it: run this, then change something and run it again.

int x = 5;
System.out.println(x);
System.out.println(x == 5);

Which line stores the value 5 in x?

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True or false?

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Sort each piece of code by what it does.

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What does == do?

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Type exactly what this program prints.

public class Main { public static void main(String[] a){
    int x = 5;
    System.out.println(x == 5);
}}

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