Table of Contents
Program To Find Whether A Person Is Minor Or Major
class q9
{
public static void main()
{
var age=8;
if(age<18){
System.out.println("Person is minor");
}
else{
System.out.println("Person is major");
}
}
}
Program To Find Whether A Number Is Odd Or Even
class q10
{
public static void main()
{
int num=9;
if(num%2==0){
System.out.println("Number is even");
}
else{
System.out.println("Number is odd");
}
}
}
Program To Find Whether A Number Is Two Digits Or Not
class q11
{
public static void main()
{
int num=9;
if(num>=10 && num<=99){
System.out.println("2 digit number");
}
else{
System.out.println("Not a 2 digit number");
}
}
}
Program to Find the Biggest Number of 2 Numbers
import java.util.Scanner;
class q12
{
public static void main()
{
Scanner sc=new Scanner (System.in);
int num1, num2;
System.out.println("Enter a number");
num1=sc.nextInt();
System.out.println("Enter another number");
num2=sc.nextInt();
if(num1>num2){
System.out.println("Number 1 is greater");
}
else{
System.out.println("Number 2 is greater");
}
}
}
Program To Find Whether A Number Is +ve, ve or 0
import java.util.Scanner;
class q13
{
public static void main()
{
Scanner sc=new Scanner (System.in);
int num;
System.out.println("Enter a number: ");
num=sc.nextInt();
if (num>0){
System.out.println("Number is positive");
}
else if (num<0){
System.out.println("Number is negative");
}
else{
System.out.println("Number is 0");
}
}
}
Program To Find A Pythagorean Triplet
import java.util.Scanner;
class q14
{
public static void main()
{
Scanner sc=new Scanner (System.in);
int a, b, c;
System.out.println("Enter the value for a");
a=sc.nextInt();
System.out.println("Enter the value for b");
b=sc.nextInt();
System.out.println("Enter the value for c");
c=sc.nextInt();
if ((a*a)+(b*b)==(c*c)){
System.out.println("Pythagorean Triplet");
}
else{
System.out.println("Not a Pythagorean Triplet");
}
}
}
Program To Check If A Triangle Is Equilateral, Isosceles Or Scalene
import java.util.Scanner;
class q15
{
public static void main()
{
Scanner sc=new Scanner (System.in);
int a, b, c;
System.out.println("Enter the first side of the triangle: ");
a=sc.nextInt();
System.out.println("Enter the second side of the triangle: ");
b=sc.nextInt();
System.out.println("Enter the third side of the triangle: ");
c=sc.nextInt();
if (a==b && b==c){
System.out.println("Equilateral triangle");
}
else if (a==b || b==c || c==a){
System.out.println("Isosceles triangle");
}
else{
System.out.println("Scalene triangle");
}
}
}
Program To Find The Type Of Any Character (A, a, 1, #)
import java.util.Scanner;
class q16
{
public static void main()
{
Scanner sc=new Scanner(System.in);
char c;
System.out.println("Enter a character: ");
c=sc.next().charAt(0);
if(c>=65 && c<=90){
System.out.println("Capital letter");
}
else if(c>=97 && c<=122){
System.out.println("Small letter");
}
else if(c>=48 && c<=57){
System.out.println("Number");
}
else{
System.out.println("Special character");
}
}
}
Program To Find A Sunny Number
import java.util.Scanner;
class q17
{
public static void main()
{
Scanner sc=new Scanner(System.in);
int n;
double sqr, d;
System.out.println("Enter a number: "); //10
n=sc.nextInt();
sqr=Math.sqrt(n+1); //root of 10+1 = root of 11 = 3.3
d=sqr-Math.floor(sqr); //3.3-3.0 = 0.3
if (d==0.0){ //false
System.out.println("Sunny number");
}
else{
System.out.println("Not a sunny number");
}
}
}
Program To Find A Buzz Number
import java.util.Scanner;
class q18
{
public static void main()
{
Scanner sc=new Scanner(System.in);
int n;
System.out.println("Enter a number: ");
n=sc.nextInt();
if (n%7==0){
System.out.println("Buzz number");
}
else if (n%10==7){
System.out.println("Buzz number");
}
else{
System.out.println("Not a buzz number");
}
}
}
Program To Check If A Character Is A Vowel Using Switch Statements
import java.util.Scanner;
class q19
{
public static void main()
{
Scanner sc=new Scanner(System.in);
char c;
System.out.println("Enter a character: ");
c=sc.next().charAt(0);
switch (c){
case 'A':
case 'E':
case 'I':
case 'O':
case 'U':
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
System.out.println("Vowel");
break;
default:
System.out.println("Not a vowel");
}
}
}
Program To Accept Name And Gender To Print The Name Prefix With Switch Case
import java.util.Scanner;
class q20
{
public static void main()
{
Scanner sc=new Scanner(System.in);
String name, gender;
System.out.println("Enter your name: ");
name=sc.next();
System.out.println("Enter your gender: ");
gender=sc.next();
switch (gender){
case "male":
System.out.println("Mr. "+name);
break;
case "female":
System.out.println("Miss. "+name);
break;
default:
System.out.println("Other gender");
}
}
}
Program To Input A Month And Print Its Season With Switch Cases
import java.util.Scanner;
class q21
{
public static void main()
{
Scanner sc=new Scanner(System.in);
int m;
System.out.println("Enter a month: ");
m=sc.nextInt();
switch (m){
case 12:
case 1:
case 2:
System.out.println("Winter");
break;
case 3:
case 4:
case 5:
System.out.println("Spring");
break;
case 6:
case 7:
case 8:
System.out.println("Summer");
break;
case 9:
case 10:
case 11:
System.out.println("Autumn");
break;
default:
System.out.println("Error");
}
}
}
Program To Create A Basic Menu Using Switch Cases
import java.util.Scanner;
class q22
{
public static void main()
{
Scanner sc=new Scanner(System.in);
int n;
System.out.println("Menu:");
System.out.println("1. Pepsi");
System.out.println("2. Thumbs Up");
System.out.println("3. Coca Cola");
System.out.println("Enter your choice (1-3): ");
n=sc.nextInt();
switch (n){
case 1:
System.out.println("Pepsi");
break;
case 2:
System.out.println("Thumbs Up");
break;
case 3:
System.out.println("Coca Cola");
break;
default:
System.out.println("Error");
}
}
}
Program To Create A Simple Calculator Using Switch Cases
import java.util.Scanner;
class q23
{
public static void main()
{
Scanner sc=new Scanner(System.in);
int mn, n1, n2;
System.out.println("Menu: ");
System.out.println("1. Addition");
System.out.println("2. Subtraction");
System.out.println("3. Multiplication");
System.out.println("4. Division");
System.out.println("5. Remainder");
System.out.println("Enter your choice (1-5): ");
mn=sc.nextInt();
System.out.println("Enter a number: ");
n1=sc.nextInt();
System.out.println("Enter another number: ");
n2=sc.nextInt();
switch (mn){
case 1:
System.out.println("Answer is "+(n1+n2));
break;
case 2:
System.out.println("Answer is "+(n1-n2));
break;
case 3:
System.out.println("Answer is "+(n1*n2));
break;
case 4:
System.out.println("Answer is "+(n1/n2));
break;
case 5:
System.out.println("Answer is "+(n1%n2));
break;
default:
System.out.println("Error");
}
}
}
Program To Calculate Scholarship Based On Marks With Switch Cases
import java.util.Scanner;
class q24
{
public static void main()
{
Scanner sc=new Scanner (System.in);
int m;
double f=150000, s=0;
System.out.println("Enter your marks: "); //67
m=sc.nextInt();
switch (m/10){ //67/10 = 6
case 9:
s=150000*0.50;
break;
case 5:
case 6:
case 7:
case 8:
s=150000*0.25; //37,500
break;
default:
s=0;
break;
}
f=f-s; //150000-37,500 = 112500
System.out.println("Final fees is: "+f);
}
}