java.lang.String length()
Description :
This java tutorial shows how to use the length() method of java.lang.String class. This method returns an int data type which is the number of Uncicode units of the String . This is generally just counts how many characters are in the String object.
Method Syntax :
public int length()
Method Returns :
This method returns an int datatype which is the character count of the String Object.
Exception :
No Exception is expected as specified on java api.
Java Code Example :
This example source code demonstrates the use of length() method of String class. Basically this example just prints the size of our string.
package com.javatutorialhq.tutorial;
/*
* This example source code demonstrates the use of
* length() method
* of String class
*/
public class StringLengthDemo {
public static void main(String[] args) {
String strVal = "String example tutorial";
System.out.println("length of strVal:"+strVal.length());
System.out.println("Length:"+"strval".length());
System.out.println("Length:"+new String("sample string").length());
}
}
Sample Output :
Running the above example of length() method implementation will give you the following output
java string length method example
Exception Scenario :
No Exception specified on Java API