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 …
Category: Technical
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+" …
Following is the code to calculate the Average of elements in the Array. import java.util.Scanner; public class ArrayChallange { public static Scanner scanner= new Scanner(System.in); public static void main(String args[]){ int[] myIntArray = getIntegers(5); printArray(myIntArray); System.out.println("Average …
Following is the code to sort an int Array in Java in decreasing order. That means the highest will appear first and the smallest will be in last. package info.FiveBalloons.Examples; import java.util.Scanner; public class ArraySorting { …
Primitive data type in Java can only store a single value of a particular type. Arrays are used to store multiple values of a similar type into a single variable. Let’s straight away see an example …
Fibonacci Series are number series in which next number is the sum of previous two numbers. For example, if we consider our first two numbers as 0 and 1, then our fibonacci series will look like. …