CompareOperatorExample.java

package ch03.sec06;

public class CompareOperatorExample {
    public static void main(String[] args) {
        int num1 = 10;
        int num2 = 10;
        boolean result1 = (num1 == num2);
        boolean result2 = (num1 != num2);
        boolean result3 = (num1 <= num2);
        System.out.println("result1 : " + result1); // true
        System.out.println("result2 : " + result2); // false
        System.out.println("result3 : " + result3); // true

        char char1 = 'A';
        char char2 = 'B';
        boolean result4 = (char1 > char2); // 65 > 66
        System.out.println("result4 : " + result4); // false

        int num3 = 1;
        double num4 = 1.0;
        boolean result5 = (num3 == num4);
        System.out.println("result5 : " + result5); // true

        float num5 = 0.2f;
        double num6 = 0.2;
        boolean result6 = (num5 == num6);
        boolean result7 = (num5 == (float) num6);
        System.out.println("result6 : " + result6); // false
        System.out.println("result7 : " + result7); // true

        String str1 = "자바";
        String str2 = "Java";
        boolean result8 = (str1.equals(str2));
        boolean result9 = (!str1.equals((str2)));
        System.out.println("result8 : " + result8); // false
        System.out.println("result9 : " + result9); // true
    }
}