The program runs and prints “0”
The program runs and prints “1”
The program runs but aborts with an exception.
An error “possible undefined variable” at line 4 causes compilation to fail.
An error “possible undefined variable” at line 9 causes compilation to fail.
第1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?()
第2题:
public class test( public int aMethod()[ static int i=0; i++; return I; ) public static void main (String args){ test test = new test(); test.aMethod(); int j = test.aMethod(); System.out.printIn(j); ] } What is the result?()
第3题:
public class Test { public int aMethod() { static int i = 0; i++; return i; } public static void main (String args[]) { Test test = new Test(); test.aMethod(); int j = test.aMethod(); System.out.println(j); } } What is the result?()
第4题:
public class test ( private static int j = 0; private static boolean methodB(int k) ( j += k; return true; ) public static void methodA(int i)( boolean b: b = i < 10 | methodB (4); b = i < 10 || methodB (8); ) public static void main (String args[])( methodA (0); system.out.printIn(j); ) ) What is the result?()
第5题:
public class IfTest ( public static void main(stringargs) { int x = 3; int y = 1; if (x = y) system.out.printIn(“Not equal”); else system.out.printIn(“Equal”); } ) What is the result?()
第6题:
class super ( public int I = 0; public super (string text) ( I = 1 ) ) public class sub extends super ( public sub (string text) ( i= 2 ) public static void main (straing args) ( sub sub = new sub (“Hello”); system.out. PrintIn(sub.i); ) ) What is the result?()
第7题:
The program runs and prints “0”
The program runs and prints “1”
The program runs but aborts with an exception.
An error “possible undefined variable” at line 4 causes compilation to fail.
An error “possible undefined variable” at line 9 causes compilation to fail.
第8题:
The program runs and prints nothing.
The program runs and prints “Equal”
An error at line 5 causes compilation to fail.
The program runs but aborts with an exception.
第9题:
The output is “Equal”
The output in “Not Equal”
An error at line 5 causes compilation to fall.
The program executes but does not print a message.
第10题:
0
1
2
Compilation fails.
第11题:
Compilation will fail.
The program prints “0”.
The program prints “3”.
Compilation will succeed but an exception will be thrown at line 3.
第12题:
The program prints “0”
The program prints “4”
The program prints “8”
The program prints “12”
The code does not complete.
第13题:
public class ForBar { public static void main(String args) { int i = 0, j = 5; tp: for (;;) { i ++; for(;;) if(i > --j) break tp; } system.out.printIn(“i = ” + i + “, j = “+ j); } } What is the result? ()
第14题:
public class X { public static void main (Stringargs) { String s1 = new String (“true”); Boolean b1 = new Boolean (true); if (s2.equals(b1)) { System.out.printIn(“Equal”); } } } What is the result? ()
第15题:
public class X { public static void main (String[]args) { string s = new string (“Hello”); modify(s); System.out.printIn(s); } public static void modify (String s) { s += “world!”; } } What is the result?()
第16题:
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17题:
public class test { public static void add3 (Integer i){ int val = i.intValue ( ); val += 3; i = new Integer (val); } public static void main (String args [ ] ) { Integer i = new Integer (0); add3 (i); system.out.printIn (i.intValue ( ) ); } } What is the result?()
第18题:
What will be written to the standard output when the following program is run?() public class Qcb90 { int a; int b; public void f() { a = 0; b = 0; int[] c = { 0 }; g(b, c); System.out.println(a + " " + b + " " + c[0] + " "); } public void g(int b, int[] c) { a = 1; b = 1; c[0] = 1; } public static void main(String args[]) { Qcb90 obj = new Qcb90(); obj.f(); } }
第19题:
The program runs and prints “i=1, j=0”
The program runs and prints “i=1, j=4”
The program runs and prints “i=3, j=4”
The program runs and prints “i=3, j=0”
An error at line 4 causes compilation to fail.
An error at line 7 causes compilation to fail.
第20题:
The program runs and prints “Hello”
An error causes compilation to fail.
The program runs and prints “Hello world!”
The program runs but aborts with an exception.
第21题:
The program runs and prints “Hello”
An error causes compilation to fail.
The program runs and prints “Hello world!”
The program runs but aborts with an exception.
第22题:
Compilation will fail.
Compilation will succeed and the program will print “0”
Compilation will succeed and the program will print “1”
Compilation will succeed and the program will print “2”
第23题:
0 0 0
0 0 1
0 1 0
1 0 0
1 0 1
第24题:
The program runs and prints “0”
The program runs and prints “1”
The program runs but aborts with an exception.
An error “possible undefined variable” at line 4 causes compilation to fail.
An error “possible undefined variable” at line 9 causes compilation to fail.