Java

Find First And Second Largest Number In Array | In this blog, we write the java program to find the largest and the next largest number in the given array. For example:- 1) array[ ] = {1, 2, 3, 4, 5}Largest number = 5The second-largest number = 4 2) array[ ] = {90, 49, -90, […]

In this section, we will see how to reduce the size of an array In Java. Can you change the size of an array in Java? No, we can’t reduce the size of an array in Java. In Java, arrays are fixed in size which means once an array is created then we can’t modify

Java Fill 2d Array With Random Numbers | In this section, we generate a random number for a two-dimensional array. To do this we need a random module that is available in java.util.Random package. Also see:- Create Java Array of Random Numbers For example:-array[ ][ ] = new int[2][2]Generate random number and insert into the

Find Odd Occurrence Number Array In Java | In this section, we will find the elements which have occurred an odd number of times in an array. Let us see some examples to have a better understanding of the problem:- 1) array = {1, 2, 3, 4, 5, 5, 5, 1, 2, 3, 4}Odd occurrence

How to Sort a Char Array in Java | Now, we will sort a character array by using the sort() method available in the Java arrays class. Method details is as follows:- public static void sort(int[ ] array, int start_Index, int end_Index) ; Parameters:- array, start index, and end index.a) array:- the array that is

Sort 2d Array In Java | In this section, we will be explaining how to sort 2d arrays by using sorting techniques and functions available in the Java library.  2d Array Sorting In Java Let us see 2d Array Sorting In Java using loops. Output:- 2d Array:10 28 72 9127 33 40 5269 75 73

Iterate Through Digits of a Number Java | In the section, we deal with the digits that we iterate over every digit of a number and extract the same. For example:-Number:- 123Result:- 1 2 3 We can iterate through digits of a number Java in the following ways,1) By using the modulo operator (%)2) By

Check if Array is Sorted Java | In this section, we will check whether the given array is sorted or not, it can be in ascending or maybe in descender order. See the below examples to understand them in detail. Also see:- How to Sort an Array in Java Example-1 to check if array is

Traverse 2d Array Java | A 2d array is a multidimensional array. It can be also said that it is an array of arrays. We store the elements in the multidimensional array in rows and columns in the form of a matrix. Example for 2d array:-int array[ ][ ] = {{1,2,3},{3,4,5},{6,7,8}}; This initializes the array