String s = new String("xyz");创建了几个String Object?二者之间有什么区别?
String s = new String("xyz");创建了几个String Object?
二者之间有什么区别?
相关考题:
下列程序段运行的结果为 public class Test{ static void print(String s,int i){ System.out.println("String:"+s+",int:"+i); } static void print(int i,String s){ System.out.println("int:"+i+",String:"+s); } public static void main(String[]args){ print(99,"Int first"); } }A.String:String first,int:11B.int:11,String:Int firstC.String:String first,int99D.int:99,String:Int first
关于slice或map操作,下面正确的是() A.var s []ints = append(s,1)B.var m map[string]intm["one"] = 1C.var s []ints = make([]int, 0)s = append(s,1)D.var m map[string]intm = make(map[string]int)m["one"] = 1
下列程序段运行的结果为 public class Test{ static void print(String s,int i){ System.out.println("String:"+s+",int:"+i); } static void print(int i, String s){ System.out.println("int:"+i+",String:"+s); } public static void main(String [] args){ print(99,"Int first"); } }A.String:Stringfirst,int:11B.int:11,String:Int firstC.String:String first,int:99D.int:99,String:int first
若输入 "I am a boy!",下列程序的运行结果为______。 char connect(string1,string2,string) char string1[],string2[],string[]; { int i,j; for (i=0;stringl[i] !='\0';i++) string[i]=stringl[i]; for (j=0;string2[j] !='\0';j++) string[i+j]=string2[j]; string[i+j ] ='\0'; } main ( ) { char s1 [100] , s2 [100] , s [100]; printf ("\n 输入 string1: \n"); scanf("%s",s1); printf (" \n 输入 string2: \n" ); scanf ("%s", s2); connect (s1, s2, s); printf ("%s\n", s); }A.I am a boy!B.输入string2:C.I amD.I am a boy!
若有定义char s1[]="string1",s2[8],*s3,*s4="string2";则对库函数strcpy错误调用的是()。A.strcpy(s3,"string1");B.strcpy(s1,"string2");C.strcpy(s2,s4);D.strcpy(s2,s1);
给定如下Java代码,编译运行的结果是()。 public class Test { public static void main(String[] args) { Map<String, String> map = new HashMap<String, String>(); String s = "code"; map.put(s, "1"); map.put(s, "2"); System.out.println(map.size()); } }A.编译时发生错误B.运行时引发异常C.正确运行,输出:1D.正确运行,输出:2
Java程序中,main方法的格式正确的是()。A.static void main (string[] args)B.public void main (string[] s)C.public static main (string[] args)D.public static void main (string[] args)
给定如下Java代码,编译运行的结果是() public class Test { public static void main(String[] args) { Map<String, String> map = new HashMap<String, String>(); String s = "code"; map.put(s, "1"); map.put(s, "2"); System.out.println(map.size()); } }A.编译时发生错误B.运行时引发异常C.正确运行,输出:1D.正确运行,输出:2
21、以下程序执行后的结果为 。 #include "stdio.h" #include <string.h> void fun(char *s) { char a[10]; strcpy(a,"string"); s=a; } main() { char *p="gao"; fun(p); printf("%s\n",p); }A.gaoB.结果不确定C.strD.string