Java language revolves around the Object Oriented Programming (OOP), the base of OOP is Classes and Objects. This post is dedicated to Understanding the need for OOP and about Classes and how that works. As the …
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Java Basics Java Primitive Data Types Operators in Java Control Flow : If:then and If:then:else statements Control Flow: For, while and do while loop in Java Arrays in Java Classes and Methods in Java Classes and …
1. Using Custom Method First we will write the manual method to compare two Java Arrays for Equality. The logic is pretty simple, first we compare the length of both Arrays in consideration and if that is equal …
We have created a sample String array with few String values to check for Duplicate. To Check the Duplicate we need to compare the current String value with rest of the values. The below code approaches …
To get the Random int values we utilise the java.util.Math provided under java library. Since Math.random()returns random double value between 0 and 1 , we multiply it by 100 to get random numbers between 0 to …
1. Using Custom Method import java.util.Arrays; public class ArrayCopy { public static void main(String args[]) { String[] myStringArray = { "Alice", "Bob", "Tim", "John", "Denice" }; System.out.println("Array " + Arrays.toString(myStringArray)); String[] newStringArray = copyArray(myStringArray); System.out.println("Copied …
public class ArraySecondHighest { public static void main(String args[]) { int[] myIntArray = { 12, 13, 14, 15, 16, 89, 23, 1, 90, 100 }; Arrays.sort(myIntArray); System.out.println("Second Highest " + myIntArray[myIntArray.length - 2]); } } The …
Although there are inbuilt method in the commons.lang library using which we can remove the element in array with just a single statement , we will first approach this using a custom method to see how …
1. Using Custom Method Following is the Java code to reverse the elements of an array by writing a self custom method. import java.util.Arrays; public class ArrayReverse { public static void main(String args[]) { int[] myIntArray …
Using custom method Following is the Java code to check if your array contains any specific element. public class ArrayContains { public static void main(String args[]){ int[] myIntArray = {43,32,53,23,12,34,3,12,43,32}; int number = 326; if(contains(myIntArray,number)){ System.out.println("Number "+number+" …