I’ve included a list of some of the Java programs below. You may also view all of the Java programs on our mobile app. I strongly advise you to use our mobile app for a better experience.
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106. Write a program in java to print the sum of even numbers between 2 to 50.
import java.util.*;
class SumOfEvenNumber{
public static void main(String[] args) {
int sum = 0;
for (int i = 2; i <= 50; i++) {
if (i % 2 == 0) {
sum = sum + i;
}
}
System.out.println("Sum is " + sum);
}
}
107. Write a program in java using to print product of all numbers from 4 to 8.
import java.util.*;
class Product{
public static void main(String[] args) {
int product = 1;
for (int i = 4; i <= 8; i++) {
product = product * i;
}
System.out.println("Product is " + product);
}
}
108. Write a program in java to print the series 2,8,18,32…..upto 10th term.
import java.util.Scanner;
class Series{
public static void main(String[] args) {
for (int i = 1; i <= 10; i++) {
//PRINT i ^ 2 * 2;
int x= (int) Math.round(Math.pow(i,2)*2);
System.out.print(x + " ");
}
}
}
109. Write a program in java to generate the following series 5,54,543,5432,54321.
import java.util.Scanner;
class Series {
public static void main(String[] args) {
for (int i = 5; i >= 1; i--) {
for (int j = 1; j < i; j++)
System.out.print(" ");
for (int k = 5; k >= i; k--)
System.out.print(k);
System.out.print(" ");
}
}
}
110. Write a program in java to ask number and find sum square of digits.
import java.util.*;
class SumSquare{
public static void main(String[] args) {
int num = 0;
int sum = 0;
System.out.println("Enter number");
Scanner MyScanner = new Scanner(System.in);
num = MyScanner.nextInt();
while (num != 0) {
sum = sum + (num % 10) * (num % 10);
num = num / 10;
}
System.out.println("Sum of square of digits is " + sum);
}
}
111. Write a program in java to ask any string and count total no. of words.
import java.util.*;
class CountTotalNumberOfWords{
public static void main(String[] args) {
String str = "";
int count = 0;
System.out.println("Enter string");
Scanner MyScanner = new Scanner(System.in);
str = MyScanner.nextLine();
String[] strArr = str.split(" ");
count = strArr.length;
System.out.println("Total number of words is " + count);
}
}
112. Write a program in java to ask any string and count total no. of vowels.
import java.util.*;
class CountTotalNumberOfVowels{
public static void main(String[] args) {
String str = "";
int count = 0;
System.out.println("Enter string");
Scanner MyScanner = new Scanner(System.in);
str = MyScanner.nextLine();
String[] strArr = str.split("");
for (int i = 0; i < strArr.length; i++) {
if (strArr[i].equals("a") || strArr[i].equals("e") || strArr[i].equals("i") || strArr[i].equals("o") || strArr[i].equals("u")) {
count++;
}
}
System.out.println("Total number of vowels is " + count);
}
}
113. Write a program in java TO PRINT H.C.F AND L.C.M OF ANY TWO Given NUMBERS by user.
import java.util.*;
class HCMAndLCM{
public static void main(String[] args) {
int num1 = 0;
int num2 = 0;
int hcf = 0;
int lcm = 0;
System.out.println("Enter first number");
Scanner MyScanner = new Scanner(System.in);
num1 = MyScanner.nextInt();
System.out.println("Enter second number");
num2 = MyScanner.nextInt();
if (num1 > num2) {
hcf = num1;
lcm = num1 * num2;
} else {
hcf = num2;
lcm = num1 * num2;
}
while (hcf != 0) {
if (num1 % hcf == 0 & & num2 % hcf == 0) {
break;
}
hcf--;
}
System.out.println("HCF is " + hcf);
System.out.println("LCM is " + lcm);
}
}
114. Write a program in java to generate the series 3,10,5,16………………11th term.
import java.util.Scanner;
class Series {
public static void main(String[] args) {
int n = 6;
while (n != 1) {
System.out.print(n + " ");
if ((n & 1) == 1)
n = 3 * n + 1;
else
n = n / 2;
}
System.out.print(n);
}
}