a b c
1 2 3
a1b2c3
a1 b2 c3
第1题:
A.0
B.1
C.4
D.Compilationfails.
E.Anexceptionisthrownatruntime.
第2题:
A.0
B.1
C.4
D.Compilationfails.
第3题:
public class Test{public static void main(String[]args){intx=5;boolean b1=true;boolean b2=false;if((x==4)&&!b2)System.out.print("l");System.out.print("2");if((b2=true)&&b1)System.out.print("3");}}What is the result?()
A.2
B.3
C.12
D.23
E.123
F.Compilation fails.
G.An exceptional ist hrown at runtime.
第4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5题:
Given:11.Stringtest="TestA.TestB.TestC.";12.//insertcodehere13.String[]result=test.split(regex);Whichregularexpression,insertedatline12,correctlysplitstestinto"TestA","TestB",and"TestC"?()
A.Stringregex="";
B.Stringregex="";
C.Stringregex=".*";
D.Stringregex="\\s";
E.Stringregex="\\.\\s*";
第6题:
A.Anexceptionisthrownatruntime.
B.1
C.4
D.Compilationfails.
E.0
第7题:
A.abc
B.123
C.a1b2c3
D.a1b2c3
第8题:
A.abc
B.123
C.a1b2c3
D.a1b2c3
E.Compilationfails.
F.Thecoderunswithnooutput.
G.Anexceptionisthrownatruntime.
第9题:
public class Test { public static void main(String [] args) { int x =5; boolean b1 = true; boolean b2 = false; if((x==4) && !b2) System.out.print(”l “); System.out.print(”2 “); if ((b2 = true) && b1) System.out.print(”3 “); } } What is the result?()
第10题:
11. String test= “a1b2c3”; 12. String[] tokens = test.split(”//d”); 13. for(String s: tokens) System.out.print(s +“ “); What is the result?()