LinkedList implementation in JAVA

import java.util.Scanner; class Node {   int data;   Node next; } //**********************LinkedList Class**********************// public class LinkedList {  Node head;      public void insert(int d)       {             Node temp=new Node();            temp.data=d;           temp.next=null;  ...

Read More

Enum class in java (Simple program)

Days.java public enum Days { Monday,Tuesday,Wednesday,Thursday,Friday,Saturday,Sunday }; Test.java public class Test { public static void main(String []args) { Days d; Days enumarr[]=Days.values(); for(Days x:enumarr) { System.out.print(x.ordinal());  // it should print the constant value System.out.print(" "+x);   // it should print all the days System.out.print("\n"); } System.out.println("Printing using...

Read More

Three dimensional array in java using ForEachLoop

import java.util.*; public class ForEachLoop { public static void main(String []args) { Scanner s=new Scanner(System.in); System.out.println("Enter number of Pages:"); int p=s.nextInt(); System.out.println("Enter number of rows:"); int r=s.nextInt(); System.out.println("Enter number of colums:"); int c=s.nextInt(); int arr[][][]=new int[p][][]; for(int i=0;i<p;i++)         { arr[i]=new int[r][];  ...

Read More

Predefined Array-Copy method in JAVA

public class ArrayCopy{ public static void main(String []args) { int arr[]=new int[]{1,2,3,4,5,6,7,8,9,10}; for(int i:arr) { System.out.print(i); } int arr1[]=new int[10]; System.arraycopy(arr,5,arr1,0,5); for(int i:arr1) { System.out.println(i); }...

Read More

User Define Class array Simple Java program

import java.util.Scanner; public class ZamaCodes { public static void main(String[] args) { Employee E=new Employee(); Employee Earr[]=new Employee[5];         System.out.println(E.getAge());         for(int k=0;k<5;k++)     {          Earr[k]=new Employee();     }         Earr[0].setAge(10); Earr[1].setAge(20);      ...

Read More

Find x position in Matrix (JAVA)

 Declare, Instantiate, initialize and print a 2Dimensional array of numbers as follows.                                    Given a matrix and a number x, find the position of x in the matrix if it is present in it else print “Not Found”.   import java.util.Scanner; public class ZamaCodes { public static void main(String []args) ...

Read More

Initialize 1-D array of 10 numbers and get minimum and maximum in JAVA

Declare and initialize a one-dimensional array of 10 numbers and get the minimum number of an array using methods. import java.util.Scanner; public class ZamaCodes { public static void main(String []args) { Scanner s=new Scanner(System.in); int arr[]=new int[10]; System.out.println("Enter 10 numbers in an array:"); for(int i=0;i<10;i++) { arr[i]=s.nextInt(); } Zamacodes q=new Zamacodes(); System.out.println("The...

Read More

Declaration of one dimensional array of numbers and characters in JAVA

-Declare and initialize two one dimensional arrays with 1) Numbers  2) Characters 1.1-Print the content of both arrays 1.2-Get the length of both arrays and print  import java.util.Scanner; public class SimpleJavaProgram { public static void main(String []args) { int arr[]; Scanner s=new Scanner(System.in); int x; System.out.println("How many elements you want to store in an array?"); x=s.nextInt(); ...

Read More