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159 lines (154 loc) · 7.38 KB
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package loop;
import static java.lang.Math.cos;
import static java.lang.Math.pow;
import static java.lang.Math.sin;
import static java.lang.Math.sqrt;
import java.util.Scanner;
public class For_loop4 {
public static void main(String[] args) {
int i,n;
int op;
Scanner objin = new Scanner(System.in);
do{
System.out.println("\n__________________| M E N U |___________________");
System.out.println(" 1/. 1 + 2 + 3 + 4 + .... + n");
System.out.println(" 2/. 2 + 6 + 8 + 10 + ... + (2n)");
System.out.println(" 3/. 2 + 5 + 8 + 11 + ... + (3n-1)");
System.out.println(" 4/. 1 * 2 * 3 * 4 * ... * n");
System.out.println(" 5/. pow(1,2) + pow(2,2) + pow(3,2) + ... + pow(n,2)");
System.out.println(" 6/. pow(2,3) + pow(4,3) + pow(6,3) + ... + pow(2n,3)");
System.out.println(" 7/. sqrt(1) + sqrt(2) + sqrt(3) + ... + sqrt(n)");
System.out.println(" 8/. sqrt(2) + sqrt(4) + sqrt(6) + ... + sqrt(2n)");
System.out.println(" 9/. sin(0) + sin(1) + sin(2) + sin(3) + ... +sin(n)");
System.out.println(" 10/. cos(0) + cos(1) + cos(2) + cos(3) + ... +cos(n)");
System.out.println(" 11/. 1! + 2! + 3! + 4! + ... + n!");
System.out.println(" 12/. Exit");
System.out.print("Input Select One Option :");
op=objin.nextInt();
switch(op){
case 1 -> {
float sum=0;
System.out.println(" 1/. 1 + 2 + 3 + 4 + .... + n");
System.out.print("Input Number for loop : ");
n=objin.nextInt();
for(i=1;i<=n;i++){
sum=sum+i;
System.out.print(i+" + ");
}
System.out.println("\b\b = "+sum);
}
case 2 -> {
float sum=0;
System.out.println(" 2/. 2 + 6 + 8 + 10 + ... + (2n)");
System.out.print("Input Number for loop : ");
n=objin.nextInt();
for(i=1;i<=n;i++){
sum+=(2*n);
System.out.print((2*i)+" + ");
}
System.out.println("\b\b = "+sum);
}
case 3 -> {
float sum=0;
System.out.println(" 3/. 2 + 5 + 8 + 11 + ... + (3n-1)");
System.out.print("Input Number for loop : ");
n=objin.nextInt();
for(i=1;i<=n;i++){
sum+=(3*i-1);
System.out.print((3*i-1)+" + ");
}
System.out.println("\b\b = "+sum);
}
case 4 -> {
float sum=0;
System.out.println(" 4/. 1 * 2 * 3 * 4 * ... * n");
System.out.print("Inpu Number for loop : ");
n=objin.nextInt();
for(i=1;i<=n;i++){
sum=sum*(i);
System.out.print(i+" * ");
}
System.out.println("\b\b = "+sum);
}
case 5 -> {
float sum=0;
System.out.println(" 5/. pow(1,2) + pow(2,2) + pow(3,2) + ... + pow(n,2)");
System.out.print("Input Number for loop : ");
n=objin.nextInt();
for(i=1;i<=n;i++){
sum=(float) (sum+pow(i,2));
System.out.print(pow(i,2)+" + ");
}
System.out.println("\b\b = "+sum);
}
case 6 -> {
float sum=0;
System.out.println(" 6/. pow(2,3) + pow(4,3) + pow(6,3) + ... + pow(2n,3)");
System.out.print("Input Number for loop : ");
n=objin.nextInt();
for(i=1;i<=n;i++){
sum=(float) (sum+pow(2*i,2));
System.out.print(pow(2*i,2)+" + ");
}
System.out.println("\b\b = "+sum);
}
case 7 -> {
float sum=0;
System.out.println(" 7/. sqrt(1) + sqrt(2) + sqrt(3) + ... + sqrt(n)");
System.out.print("Input Number for loop : ");
n=objin.nextInt();
for(i=1;i<=n;i++){
sum=(float) (sum+sqrt(i));
System.out.print(sqrt(i)+" + ");
}
System.out.println("\b\b = "+sum);
}
case 8 -> {
float sum=0;
System.out.println(" 8/. sqrt(2) + sqrt(4) + sqrt(6) + ... + sqrt(2n)");
System.out.print("Input Number for loop : ");
n=objin.nextInt();
for(i=1;i<=n;i++){
sum=(float) (sum+sqrt(2*i));
System.out.print(sqrt(2*i)+" + ");
}
System.out.println("\b\b = "+sum);
}
case 9 -> {
float sum=0;
System.out.println(" 9/. sin(0) + sin(1) + sin(2) + sin(3) + ... +sin(n)");
System.out.print("Input Number for loop : ");
n=objin.nextInt();
for(i=1;i<=n;i++){
sum=(float) (sum+sin(i));
System.out.print(sin(i)+" + ");
}
System.out.println("\b\b = "+sum);
}
case 10 -> {
float sum=0;
System.out.println(" 10/. cos(0) + cos(1) + cos(2) + cos(3) + ... +cos(n)");
System.out.print("Input Number for loop : ");
n=objin.nextInt();
for(i=1;i<=n;i++){
sum= (float) (sum+cos(i));
System.out.print(cos(i)+" + ");
}
System.out.println("\b\b = "+sum);
}
case 11 -> {
float sum = 1,sum1 = 0;
System.out.println(" 11/. 1! + 2! + 3! + 4! + ... + n!");
System.out.print("Input Number for loop : ");
n=objin.nextInt();
for(i=1;i<=n;i++){
sum = sum * i;
sum1 = sum1 +sum;
System.out.print(i+"! + ");
}
System.out.println("\b\b = "+sum1);
}
}
}while(op!=12);
}
}