Exemple d'opérateurs relationnels en Java

				
				
					
import java.util.Scanner;
class Operator
{
	public static void main(String args[])
	{
		int num_1 = 10;
		int num_2 = 20;

		char ch_1 = 'D';
		char ch_2 = 'E';
		
		String name_1 = "Decode";
		String name_2 = "Decode";
			
		boolean val_1 = true;
		boolean val_2 = false;
		//Scanner sc = new Scanner(System.in);
		//name_2 = sc.next();
		
		//Comparing Numbers like int and float are acceptable
		System.out.println("Comparing Numbers");		
		System.out.println(num_1<num_2);
		System.out.println(num_1>num_2);
		System.out.println(num_1<=num_2);
		System.out.println(num_1>=num_2);
		System.out.println(num_1==num_2);
		System.out.println(num_1!=num_2);

		//Comparing Characters are acceptable
		System.out.println("Comparing Characters");		
		System.out.println(ch_1<ch_2);
		System.out.println(ch_1>ch_2);
		System.out.println(ch_1<=ch_2);
		System.out.println(ch_1>=ch_2);
		System.out.println(ch_1==ch_2);
		System.out.println(ch_1!=ch_2);
		
		//Comparing Strings are not possible with Strings.
		System.out.println("Comparing String will not work");
		//System.out.println(name_1<name_2);
		//System.out.println(name_1>name_2);
		//System.out.println(name_1<=name_2);
		//System.out.println(name_1>=name_2);
		System.out.println(name_1==name_2); // However this is not right method to compare Strings.
		System.out.println(name_1!=name_2); // However this is not right method to compare Strings.
	        
                //Comparing Booleans "equal to" and "not equal to" are allowed
		System.out.println("Comparing Boolean");	
		//System.out.println(val_1<val_2);
		//System.out.println(val_1>val_2);
		//System.out.println(val_1<=val_2);
		//System.out.println(val_1>=val_2);
		System.out.println(val_1==val_2);
		System.out.println(val_1!=val_2);
	}
}