Java character compareTo() method

The compareTo(character another character) method of character class is used to compare two objects numerically.

Syntax

Parameter

The above method requires only one parameter:

The character that need to be compared.

Return

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

The value 0 if the given Character is equal to the argument Character.

A value less than 0 if the given Character is numerically less than the Character argument

A value greater than the given Character is numerically greater than the Character argument.

Example 1

public class JavaCharacterCompareToExample1 {
public static void main(String[] args) {
    Character firstVal = new Character('g');
Character secondVal = new Character('G');
// compare the first character to the second character.
intcompare1= firstVal.compareTo(secondVal);
if (compare1 == 0) {
System.out.println("The first value 'g' and the second value 'G' are equal.");
 }
else if (compare1>0) {
System.out.println("The first value 'g' is greater than the second value 'G'.");
 }
else {
System.out.println("The first value 'g' is less than the second value'G'.");
          }
     }
}

Test it Now

Output:

The first value 'g' is greater than the second value 'G'.

Example 2

public class JavaCharacterCompareToExample2 {
public static void main(String[] args) {
 Character first = new Character('T');
Character second = new Character('G');
// compare the first character to the second character.
intcompare= first.compareTo(second);
if (compare == 0) {
System.out.println("The first value 'T' and the second value 'G' are equal.");
 }
else if (compare>0) {
System.out.println("The first value 't' is greater than the second value 'G'.");
     }
else {
System.out.println("The first value 'T-' is less than the second value'G'.");
        }
    }
}

Test it Now

Output:

The first value 't' is greater than the second value 'G'.

Example 3

public class JavaCharacterCompareToExample3 {

public static void main(String[] args) {
Character firstVal = new Character('c');
Character secondVal = new Character('a');
  Character thirdVal = new Character('c');

// compare the first character to the second character.
intcompare1=firstVal.compareTo(secondVal);
// compare the first character to the third character.
intcompare2 = firstVal.compareTo(thirdVal);
if (compare1 == 0) {
System.out.println("The first and second values are equal");
       }
else if (compare1>0) {
System.out.println("The first value is greater than the second value");
}
else{
System.out.println("The first value is less than the second value");
        }
if (compare2== 0) {
System.out.println("The first and third values are equal");
 }
else if (compare2 >0) {
System.out.println("The first value is greater than the third value");
      } else {
System.out.println("The first value is less than the third value");
        }
    }

}

Test it Now

Output:

The first value is greater than the second value
The first and third value are equal

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Java Character Class

Java character compareTo() method

Syntax

Parameter

Return

Example 1

Example 2

Example 3

Help Others, Please Share

Javatpoint Services

Training For College Campus