A. public
B. private
C. protected
D. transient
E. default access
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public class X {
public static void main(String [] args) {
try {
badMethod();
System.out.print(“A”);
}
catch (Exception ex) {
System.out.print(“C”);
}
finally {
System.out.print(“B”);
}
System.out.print(“D”);
}
public static void badMethod() {
throw new Error();
}
}
What is the result?()
A. ABCD
B. Compilation fails.
C. C is printed before exiting with an error message.
D. BC is printed before exiting with an error message.
E. BCD is printed before exiting with an error message.
public class X {
public X aMethod() { return this;}
}
public class Y extends X {
}
Which two methods can be added to the definition of class Y?()
A. public void aMethod() {}
B. private void aMethod() {}
C. public void aMethod(String s) {}
D. private Y aMethod() { return null; }
E. public X aMethod() { return new Y(); }
A. assert (!(map.contains(x))); map.add(x);
B. if (x > 0){}else { assert (x==0); }
C. public void aMethod(int x) { assert (x > 0); }
D. assert (invariantCondition()); return retval;
E. switch (x) { case 1: break; case 2: creak; default: assert (x == 0);
int i = 1,j = 10;
do{
if (i>j) {
continue;
}
j--;
} while (++i <6);
System.out.println(“i = “ +i+” and j = “+j);
What is the result?()
A. i = 6 and j = 5
B. i = 5 and j = 5
C. i = 6 and j = 4
D. i = 5 and j = 6
E. i = 6 and j = 6
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(String args[]) {
Sub sub = new Sub(“Hello”);
System.out.println(sub.i);
}
}
What is the result?()
A. 0
B. 1
C. 2
D. Compilation fails.
class A {
}
class Alpha {
private A myA = new A();
void dolt( A a ) {
a = null;
}
void tryIt() {
dolt( myA );
}
}
Which two statements are correct?()
A. There are no instanced of A that will become eligible for garbage collection.
B. Explicitly setting myA to null marks that instance to be eligible for garbage collection.
C. Any call on tryIt() causes the private instance of A to be marked for garbage collection.
D. Private instances of A become eligible for garbage collection when instances of Alpha become eligible for garbage collection.
public class Test {
public static void main(String Args[]) {
int i =1, j = 0;
switch(i) {
case 2: j +=6;
case 4: j +=1;
default: j +=2;
case 0: j +=4;
}
System.out.println(“j =” +j);
}
}
What is the result? ()
A. 0
B. 2
C. 4
D. 6
E. 9
F. 13
int i = 0, j = 5;
tp;
for (;;) {
i++;
for(;;) {
if (i> --j) {
break tp;
break tp;
}
}
System.out.println(“i=” +i “,j =”+j);
}
What is the result?()
A. i = 1, j = 0
B. i = 1, j = 4
C. i = 3, j = 4
D. i = 3, j = 0
E. Compilation fails.
public void foo( boolean a, boolean b ){
if( a ) {
System.out.println( “A” );
} else if ( a && b ) {
System.out.println( “A&&B” );
} else { 17. if ( !b ) {
System.out.println( “notB” );
} else {
System.out.println( “ELSE” );
}
}
}
What is correct?()
A. If a is true and b is true then the output is “A&&B”.
B. If a is true and b is false then the output is “notB”.
C. If a is false and b is true then the output is “ELSE”.
D. If a is false and b is false then the output is “ELSE”.
public class Foo {
public void main( String[] args ) {
System.out.println( “Hello” + args[0] );
}
}
What is the result if this code is executed with the command line?()
A. Hello
B. Hello Foo
C. Hello world
D. Compilation fails.
E. The code does not run.
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