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Java String length Method

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The Java String length Method is to find and return the length of the User specified string. The length is equal to the number of Unicode units in a string.

In this article, we will show how to find the length of a String using the Java string length method with an example. The basic syntax of the String length in Java Programming language is as shown below.

public int length() // It will return the integer Value as Output

//In order to use in program
String_Object.length()
  • String_Object: Please specify the valid String Object to find its length.

Java String length example

The String length method returns the length of the user-specified string. In this program, we are going to declare a few string objects and then find the length of those strings using this String function.

//How to find Length using Java String.length method
package StringFunctions;

public class StringLength {
	public static void main(String[] args) {
		String str = "Hello";
		int str1 = str.length();
		String str2 = "Tutorial GateWay";
		String str3 = "Free Java Tutorial at Tutorial GateWay";
		String str4 = "Java Programming Language";
		
		System.out.println("The Length of a String Str = " + str1);
		System.out.println("The Length of a String Str2 = " + str2.length());
		System.out.println("The Length of a String Str3 = " + str3.length());
		System.out.println("The Length of a String Str4 = " + str4.length());
	}
}

OUTPUT

Java String length Method 1

ANALYSIS

In this string length example, First, we declared the String variable and assigned a value using the following statement

String str = "Hello";

The following String function statement will find the length of the above-specified string. Here we are assigning the output to integer values because string length in java returns an integer value.

int str1 = str.length();

Next, we declared three more strings using the following Java statements

String str2 = "Tutorial GateWay";
String str3 = "Free Java Tutorial at Tutorial GateWay";
String str4 = "Java Programming Language";

The following System.out.println statements will call the public int length() method to find the string length and then print the output

System.out.println("The Length of a String Str2 = " + str2.length());
System.out.println("The Length of a String Str3 = " + str3.length());
System.out.println("The Length of a String Str4 = " + str4.length());