class TestApp{ public static void main(String[] args){ System.out.println(multiply(2,3,4,5)); } public int multiply(int… nums){ int result = 1; for(int x :nums) result *= x; //result =result*x; return result; } } 2、6、24、120 程序运行后的输出是哪项?()
public class TestApp{ public static void main(String[] args){ try{ int i = 0; int j = 1 / i; String myname=null; if(myname.length()>2) System.out.print(“1”); }catch(NullPointerException e){ System.out.print(“2”); } catch(Exception e){ System.out.print(“3”); } } } 上述程序运行后的输出是哪项?()
class TestApp{ public static void main(String[] args){ System.out.println(multiply(2,3,4,5)); } public int multiply(int... nums){ int result=1; for(int x:nums) result*=x; return result; } } 程序运行后的输出是哪项?()
class TestApp{ public static void main(String[] args){ int x = 5; switch(x){ case 1: case 2: case 3: System.out.println(“一季度”); break; case 4: case 5: case 6: System.out.println(“二季度”); case 7: case 8: case 9: System.out.println(“三季度”); break; ase 10: case 11: ase 12: System.out.println(“四季度”); break; default: System.out.println(“不是有效的月份”); } } } 上述程序运行后的结果是哪项?()
现有: class TestApp{ public static void main (String[] args){ for (int i=0; iif(i==3) break; System. out .print (i); } } } 程序运行后的输出是哪项?()
程序: class TestApp{ public static void main(String[] args){ for(int i=0;i<5;i++) System.out.print(i+1); System.out.println(i); } } 上述程序运行后的结果是哪项?()
程序: class TestApp{ public static void main (String[] args){ int x=6; if (x>l) System. out. println("x>l"); else if (x>5) System. out .println("x>5"); else if (x<10) System. out. println("xSystem. out .println( "x<29"); else System. out.println(“以上都不是”); } } 上述程序运行后的结果是哪项?()
程序: class TestApp{ public static void main(String[] args){ for(int i=0;i<10;i++){ if(i==3) break; System.out.print(i); } } } 程序运行后的输出是哪项?()
程序: class TestApp{ int i public static void main(String[] args){ for(int i=0;i<5;i++) System.out.print(i+1); System.out.println(i); (i没有定义) } } 上述程序运行后的结果是哪项?()
程序: class TestApp{ public static void main() String[] args){ for(int i=0;i<10;i++){ if(i==3) break; 当循环到3时,自动跳出 System.out.print(i); } } } 程序运行后的输出是哪项?()