Recent Posts

java tutorials

Bubble Sort in String Program in Java

Bubble Sort is a simple sorting algorithm that works by repeatedly stepping through the list to be sorted, comparing each pair of adjacent items and swapping them if they are in the wrong order. This process is repeated until no more swaps are needed, which means the list is sorted.

Palindrome String

import java.util.Scanner; public class PalindromeString { public static void main(String[] args) { String st,revSt=””; int l; Scanner sc=new Scanner(System.in); System.out.print(“Enter String:”); st=sc.nextLine(); l=st.length(); for (int i = l-1; i >= 0; i–) { char ch; ch=st.charAt(i); revSt=revSt+ch; } if(st.equals(revSt)) { System.out.println(“Palindrome String”); } else { System.out.println(“Not Palindrome String”); } } } Output: Enter String:asdsa Palindrome […]

Piglatin Form Program in Java

Piglatin Form First, the vowels are checked and first occurring vowel in the word is found. Then, the Piglatin word is formed by taking the substring from first vowel position and then concatinating it with the letters from first letter till the first vowel i.e. before the first vowel.Finally a string “AY” is added at […]

Find Vowels And Capital Letter in Array Program in Java

import java.util.Scanner; public class FindVowelAndCapitalInArray { public static void main(String[] args) { int vowelCount=0, upperCaseCount = 0; char ar[] = new char[10]; Scanner sc = new Scanner(System.in); for (int i = 0; i < 10; i++) { System.out.print("Enter the number ar[" + i + "]:"); ar[i] = sc.next().charAt(0); } System.out.println("-------------------------------"); for (int i = 0; […]

Find Positive and Negative Numbers in Array Program in Java

import java.util.Scanner; public class FindPositiveAndNegative { public static void main(String[] args) { int ar[] = new int[10]; Scanner sc = new Scanner(System.in); for (int i = 0; i < 10; i++) { System.out.print("Enter the number ar[" + i + "]:"); ar[i] = sc.nextInt(); } System.out.println("The +ve numbers are:"); for (int i = 0; i < […]

Binary to Decimal Number Program in Java

import java.util.Scanner; /** * * @author AFAQ */ public class BinaryToDecimal { public static void main(String[] args) { int binary; Scanner sc = new Scanner(System.in); System.out.print(“Enter binary number=”); binary = sc.nextInt(); int decimal = 0; int n = 0; while (binary>0) { int temp = binary % 10; decimal += temp * Math.pow(2, n); binary […]

Java Constructors

Java constructor is similar to the method. It calls when an object(instance) of a class is created. Allocated in the memory when a constructor is called. It is used to initialize the object of a class. When an object is created using the new keyword, constructor is called. It calls a default constructor if there […]