指出下列程序运行的结果public class Example{ String str=newString("good"); char[]ch={'a','b','c'}; public static voidmain(String args[]){ Example ex=new Example();ex.change(ex.str,ex.ch); System.out.print(ex.str+" and ");Sytem.out.print(ex.ch); } public void change(String str,charch[]){ str="test ok"; ch[0]='g'; } } ( )
AA good and abc
Bgood and gbc
Ctest ok and abc
Dtest ok and gbc
第1题:
下列程序运行的结果为:
public class Example{
String str=new String("good");
char[] ch={'a','b','c'};
public static void main(String args[]){
Example ex=new Example();
ex.change(ex.str,ex.ch);
System.out.print(ex.str+" and ");
Sytem.out.print(ex.ch);
}
public void change(String str,char ch[]){
str="test ok";
ch[0]='g';
}
}
A. good and abc
B. good and gbc
C. test ok and abc
D. test ok and gbc
第2题:
【判断题】(10-8)运行下面程序,输出结果是true。 public class Demo6 { public static void main(String[] args) { String str1="good"; String str2="good"; System.out.println(str1==str2); } }
A.Y.是
B.N.否
第3题:
下列程序段执行结果是___________。 x = 1 print(type(x)) x = 1.0 print(type(x)) x = '1.0' print(type(x)
A.<class 'int'> <class 'float'> <class 'str'>
B.<class 'float'> <class 'int'> <class 'str'>
C.<class 'str'> <class 'float'> <class 'int'>
D.<class 'str'> <class 'int'> <class 'float'>
第4题:
下列程序段的运行结果是() String str1 = “Good”; String str2 = “morning”; String str3 = str1.toLowerCase()+str2.toUpperCase(); System.out.println(str3);
A.Goodmorning
B.gOODmORNING
C.goodmorning
D.goodMORNING
第5题:
00330038003000301585067361821下列程序段执行结果是___________。 x = 1 print(type(x)) x = 1.0 print(type(x)) x = '1.0' print(type(x)
A.<class 'int'> <class 'float'> <class 'str'>
B.<class 'float'> <class 'int'> <class 'str'>
C.<class 'str'> <class 'float'> <class 'int'>
D.<class 'str'> <class 'int'> <class 'float'>