Java Exercises: Check if a string starts with a specified word

Java Basic: Exercise-85 with Solution

Write a Java program to check if a string starts with a specified word.

Sample Data: string1 = "Hello how are you?"

Pictorial Presentation:

Java Basic Exercises: Check if a string starts with a specified word

Sample Solution:

Java Code:

import java.util.*; 
import java.io.*; 
 public class Exercise85 {
 public static void main(String[] args)
   String string1 = "Hello how are you?";

Sample Output:



Flowchart: Java exercises: Check if a string starts with a specified word

Java Code Editor:

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Previous: Write a Java program to take the last three characters from a given string and add the three characters at both the front and back of the string.
Next: Write a Java program start with an integer n, divide n by 2 if n is even or multiply by 3 and add 1 if n is odd, repeat the process until n = 1.

What is the difficulty level of this exercise?

Java: Tips of the Day

Handling Null Pointer Exception

Null pointer exception is a runtime exception that is thrown when an application is trying to use an object reference with a null value.

String fruit;

Here a null reference variable is passed as an argument of a method.


In the above code snippet, null is directly passed to a function. In both these instances, there is a high possibility of throwing the NullPointerException.

This exception can be fixed by using the if-else condition.

public class NullPointerExceptionExample{
    public static void main(String args[]){
        String fruit = "apple";
}//Using an if-else condition
    static void positionLocator(String fruit){
        if(fruit != null){
           System.out.println("Second character: "+fruit.charAt(0));
        else {
           System.out.println("NullPointerException thrown");

Ref: https://bit.ly/3mi39Nr