public class X { public static void main (Stringargs) { string s = new string (“Hello”); modify(s); System.out.printIn(s); } public static void modify (String s) { s += “world!”; } } What is the result?()
第1题:
下列语句输出结果为( )。 public class test { public static void main(StringArgsl[]) { String s1=new String("How"); String s2=new String("How"); System.out.println(!(s1==s2)); } }
A.false
B.true
C.1
D.0
第2题:
public class foo { public static void main (Stringargs) { String s; system.out.printIn (“s=” + s); } } What is the result?()
第3题:
下列程序的运行结果是【 】。
public class Test {
public static void main (String args[]) {
String s1="hello!";
System.out.println (s1.toUpperCase());
}}
第4题:
1. public class X { 2. public static void main (String[]args) { 3. int [] a = new int [1] 4. modify(a); 5. System.out.printIn(a[0]); 6. } 7. 8. public static void modify (int[] a) { 9. a[0] ++; 10. } 11. } What is the result?()
第5题:
public class Base { public static final String FOO = “foo”; public static void main(String[] args) { Base b = new Base(); Sub s = new Sub(); System.out.print(Base.FOO); System.out.print(Sub.FOO); System.out.print(b.FOO); System.out.print(s.FOO); System.out.print(((Base)s).FOO); } } class Sub extends Base {public static final String FOO=bar;} What is the result?()
第6题:
下列程序的输出结果是( )。 public class Test { public static void main (String[] args) { String s="hello"; s.replace ('r','m'); System.out.println(s); } }
A.hello
B.HELLO
C.hemmo
D.HEMMO
第7题:
public class Test { public static void main (String args) { string foo = “blue”; string bar = foo; foo = “green”; System.out.printIn(bar); } } What is the result?()
第8题:
下列语句输出结果为( )。 public class test\ { public static void main (String args[]) { String s1=new String("How"); String s2=new String("How"); System.out.println(!(s1.equals(s2))); } }
A.false
B.true
C.0
D.1
第9题:
interface DeclareStuff{ public static final int EASY = 3; void doStuff(int t); } public class TestDeclare implements DeclareStuff { public static void main(String [] args) { int x=5; new TestDeclare().doStuff(++x); } void doStuff(int s) { s += EASY + ++s; System.out.println(”s “ + s); } } What is the result?()
第10题:
public class X { public static void main (Stringargs) { int a = new int [1] modify(a); System.out.printIn(a[0]); } public static void modify (int a) { a[0] ++; } } What is the result?()