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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?";
    System.out.println(string1.startsWith("Hello"));
  }
}

Sample Output: 

true

Flowchart:

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.

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Java: Tips of the Day

countOccurrences

Counts the occurrences of a value in an array.

Use Arrays.stream().filter().count() to count total number of values that equals the specified value.

public static long countOccurrences(int[] numbers, int value) {
    return Arrays.stream(numbers)
            .filter(number -> number == value)
            .count();
}

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