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Copy path01-first-java.java
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161 lines (151 loc) · 5.1 KB
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import java.util.Scanner;
class EvenOdd {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter Number: ");
int number = input.nextInt();
if (number % 2 == 0) {
System.out.println("Even Number");
} else {
System.out.println("Odd Number");
}
}
}
class Greetings {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter Name: ");
String name = input.next();
System.out.println("Hello " + name + "!");
}
}
class SimpleIntrest {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter Principle Amount(in INR): ");
int p = input.nextInt();
System.out.print("Enter Time(in Years): ");
int t = input.nextInt();
System.out.print("Enter Rate(in %): ");
int r = input.nextInt();
System.out.println("Simple Intrest = " + (p * r * t));
}
}
class Operator {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
while (true) {
System.out.print("Enter Number 1: ");
int n1 = input.nextInt();
System.out.print("Enter Operator: ");
char op = input.next().trim().charAt(0);
System.out.print("Enter Number 2: ");
int n2 = input.nextInt();
if (op == '+') {
System.out.println("Result = " + (n1 + n2));
} else if (op == '*' || op == 'x') {
System.out.println("Result = " + (n1 * n2));
} else if (op == '-') {
System.out.println("Result = " + (n1 - n2));
} else if (op == '/') {
if (n2 != 0) {
System.out.println("Result = " + (n1 / n2));
} else {
System.out.println("Result = invalid (Divided By Zero)");
}
} else if (op == '%') {
System.out.println("Result = " + (n1 % n2));
} else if (op == 'e' || op == 'q') {
System.out.println("Thank you For Using it !");
break;
} else {
System.out.println("Invalid Opeartion = " + op);
}
System.out.println("To Exit/Quit -- write operator as 'e' or 'q' \n");
}
}
}
class LargestNum {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter Number 1: ");
int n1 = input.nextInt();
System.out.print("Enter Number 2: ");
int n2 = input.nextInt();
if (n1 > n2) {
System.out.println("Number 1 i.e, " + n1 + " is Greater than " + n2);
} else if (n2 > n1) {
System.out.println("Number 2 i.e, " + n2 + " is Greater than " + n1);
} else {
System.out.println("Both Numbers are Equal i.e, " + n1);
}
}
}
class CurrencyInUSD {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter Amount (in INR): ");
float amount = input.nextFloat();
System.out.println("Amount (in USD) = " + (amount / 72.83));
}
}
class Fibonacci {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter Number: ");
int num = input.nextInt();
int n1 = 0;
int n2 = 1;
if (num < 1) {
System.out.print(0);
} else {
int n3 = n1+n2;
System.out.print("0 1 ");
for (int i = 1; i < num; i++) {
System.out.print((n3)+" ");
n1 = n2; n2 = n3;
n3 = n1+n2;
}
}
}
}
class Palindrome {
public static void main(String[] args) {
boolean palindrome = true;
Scanner input = new Scanner(System.in);
System.out.print("Enter String: ");
String str = input.next();
int lstr = str.length();
int mid_str = (int)(lstr/2);
for (int i = 0; i < mid_str; i++) {
if (str.charAt(i) != str.charAt(lstr-i-1)) {
palindrome = false;
}
}
if (palindrome) {
System.out.println("Palindrome");
} else {
System.out.println("Not a Palindrome");
}
}
}
class ArmstrongNum {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter Number 1: ");
int n1 = input.nextInt();
System.out.print("Enter Number 2: ");
int n2 = input.nextInt();
for (int i = n1; i < n2; i++) {
String istr = Integer.toString(i);
int num = 0;
for (int j = 0; j < istr.length(); j++) {
int stri = Integer.parseInt(""+istr.charAt(j));
num = num + stri*stri*stri;
}
if (num == i) {
System.out.println("Number "+num+" is an Armstrong Number");
}
}
}
}