import java.util.Scanner; public class ex2 { public static void main(String[] arg){ Scanner in = new Scanner(System.in); int input = in.nextInt(); for (int i = 0; i < input; i++){ for(int j = 0; j <= i; j++){ System.out.print("*"); } System.out.println(""); } for(int i = input - 1; i> 0; i--){ // runs n-1 times for(int j = 0; j < i; j++){ System.out.print("*"); } System.out.print("\n"); } } } //이젠 멈춰주세요..제발....
<HTML> <body> </body> <script> function Calculator() { let methods = { "-" : (a, b) => a - b, "+" : (a, b) => a + b }; //methods is an object which keeps key for operators //and value to return the actual operation values //each returns the result of operation that key(operator) does this.calculate = function (str){ //calculate is one element in the function Calculator //it takes the string and returns the value //in the function element list is delimeted by , not ; let split = str.split(" "), a = +split[0], op = split[1], b = split [2] if(!methods[op] || isNaN(a) || isNaN(b)) { return NaN; // error handling } return methods[op](a,b); } this.addMethod = function(name, func){ methods[name] = func; //this is how to add new key and ele to object } } let powerCalc = new Calculator; powerCalc.addMethod("*&
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