Practice Flow Control –
What will be the output of the program?
public class Test {
public static void main(String [] args) {
int I = 1;
do while ( I < 1 )
System.out.print("I is " + I);
while ( I > 1 ) ;
}
}
Practice Flow Control –
What will be the output of the program?
int i = 1, j = 10;
do {
if(i > j) {
break;
}
j--;
}
while (++i < 5);
System.out.println("i = " + i + " and j = " + j);
A variable defined within a block is visible.
Practice Language Fundamentals –
A variable defined within a block is visible.
Practice Language Fundamentals –
What will be the output of the program?
class Equals {
public static void main(String [] args) {
int x = 100;
double y = 100.1;
boolean b = (x = y); /* Line 7 */
System.out.println(b);
}
}
Practice Flow Control –
What will be the output of the program?
public class ExamQuestion6 {
static int x;
boolean catch() {
x++;
return true;
}
public static void main(String[] args) {
x=0;
if ((catch() | catch()) || catch())
x++;
System.out.println(x);
}
}
Practice Flow Control –
What will be the output of the program?
public class ObjComp {
public static void main(String [] args ) {
int result = 0;
ObjComp oc = new ObjComp();
Object o = oc;
if (o == oc)
result = 1;
if (o != oc)
result = result + 10;
if (o.equals(oc) )
result = result + 100;
if (oc.equals(o) )
result = result + 1000;
System.out.println("result = " + result);
}
}
Practice Flow Control –
What will be the output of the program?
int I = 0;
label: if (I < 2) {
System.out.print("I is " + I);
I++;
continue label;
}
Practice Flow Control –
What will be the output of the program?
int i = 0, j = 5;
tp: for(;;) {
i++;
for (;;) {
if(i > --j) {
break tp;
}
}
System.out.println("i =" + i + ", j = " + j);
Practice Flow Control –
What will be the output of the program?
int x = 3;
int y = 1;
if (x = y) /* Line 3 */ {
System.out.println("x =" + x);
}
What would be the output of the following program ?
Practice Operators and Assignments –
What would be the output of the following program ?
class test {
public static void main(String[] args) {
for(int i=0;i<=args.length;i++);
System.out.println(args[i]);
}
}
Which of the following two entities (reading from Left to Right) ca
Practice Operators and Assignments –
Which of the following two entities (reading from Left to Right) can be connected by the dot operator?
Which one creates an instance of an array?
Practice Declarations and Access Control –
Which one creates an instance of an array?
Which cause a compiler error?
Practice Declarations and Access Control –
Which cause a compiler error?
Which three form part of correct array declarations?
Practice Declarations and Access Control –
Which three form part of correct array declarations?
Practice Declarations and Access Control –
What will be the output of the program?
public class ArrayTest {
public static void main(String[ ] args) {
float f1[ ], f2[ ];
f1 = new float[10];
f2 = f1;
System.out.println("f2[0] = " + f2[0]);
}
}