Java Character compare() Method

The compare(char x, char y) method of Character class is used to compare two char values numerically. The final value returned is similar to what would be returned by:

Syntax

Parameter

The above method requires two parameters:

char x which is the first character to compare
char y which is the second character to compare

Return Value

The compare(char x, char y) method of character class returns

a value 0 if x==y
a value less than 0 if x<y.
a value greater than 0 if x>y.

Example 1

public class JavaCharacterCompareExample1 {
public static void main(String[] args) {
char firstValue = 'A';
char secondValue = 'B';
// compare the first char to the second
	int compareOneTwo = Character.compare(firstValue, secondValue);
	if (compareOneTwo> 0) {
	System.out.println("First value is greater than second value");
	}
	else {
System.err.println("First value is less than second value.");
	}
   }
}  

Test it Now

Output:

First value is less than the second value.

Example 2

public class JavaCharacterCompareExample2{
	public static void main(String[] args) {
char firstValue = '1';
char secondValue = '2';
// compare the first char to the second
	int comp = Character.compare(firstValue, secondValue);
	if (comp< 0) {
	System.err.println("Value 1 is greater than the value 2.");
	}
	else {
	System.err.println("Value 1 is less than the second value2.");
		}
      }
} 

Test it Now

Output:

Value 1 is greater than the value 2.

Example 3

public class JavaCharacterCompareExample3 {
public static void main(String[] args) {
	char firstVal = 'J';
	char secondVal ='J';
	char thirdVal = 'M';
// compare the first char to the second CHAR
int compareOneTwo = Character.compare(firstVal, secondVal);
// compare the first char to the third
int compareOneThree = Character.compare(firstVal, thirdVal);
if (compareOneTwo == 0) {
	System.out.println("First and second values are equal.");
	} else if (compareOneTwo> 0) {
	System.out.println("First value is greater than the second value.");
	} else {
	System.out.println("First value is less than the second value.");
	}
	if (compareOneThree == 0) {
	System.out.println("First and third value are equal.");
	}
else if (compareOneTwo> 0) {
	System.out.println("First value is greater than the third value.");
	}
else {
	System.out.println("First value is less than the third value.");
	   }

	}
}

Test it Now

Output:

First and second values are equal.
First value is less than the third value.

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Java Character Class

Java Character compare() Method

Syntax

Parameter

Return Value

Example 1

Example 2

Example 3

Help Others, Please Share

Javatpoint Services

Training For College Campus