Let’s learn java program to remove consonants from a string. Java program to remove consonants from a string Here’s the program to remove consonants from a string. For example, Input string: hello world core java Output string: eo o oe aa Input string: flower brackets Output string: oe ae import java.util.Arrays; import java.util.List; public class…

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Let’s learn java program to print armstrong numbers between given range. Java program to print armstrong numbers between given range In the below program to print armstrong numbers between given range first user inputs given range, that is, starting number and ending number using nextInt() method of Scanner class. Finally print armstrong numbers between given…

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Let’s learn java program to calculate sum of even and odd numbers in an array. Java program to calculate sum of even and odd numbers in an array In the below java program first user enters number of elements in an array or size of an array and also array elements using nextInt() method of…

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Let’s learn java program to print odd and even numbers between 1 and 100. Java program to print odd and even numbers between 1 and 100 In the below program to print odd and even numbers between 1 and 100 we are using two for loops. One to print even numbers and another to print…

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Let’s learn to count number of even and odd elements in an array in java. count number of even and odd elements in an array in java To count the even and odd numbers in an array first user is allowed to enter size and elements of one dimensional array using nextInt() method of Scanner…

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Let’s learn java program to put even & odd elements of an array in 2 separate arrays. Java program to put even & odd elements of an array in 2 separate arrays In the below program to put even & odd elements of an array in 2 separate arrays first user is allowed to enter…

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Let’s learn how to remove last element from arraylist in java. How to remove last element from arraylist in java To remove last element from arraylist use two overloaded remove() method of ArrayList. They are, remove(int index): accepts the index of the element to be removed. Pass index of last element to delete last element.…

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Let’s learn java program to find maximum and minimum number without using array. Java program to find maximum and minimum number without using array In the below example we are using Integer.MAX_VALUE and Integer.MIN_VALUE to find maximum value and minimum number without using array. Here’s the java program. import java.util.Scanner; public class MaximumMinimumWithoutArray { public…

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