Oracle 1z0-811 Java Foundations Exam Practice Test

3

A compilation error occurs.

2

0

System.out.println(“%s is %d years old” +name+age);

System.out.println(“%s is %n years old” name, age);

System.out.printf(“%s is %d years old”, name, age);

System.out.printf(“%s is %n years old”, name, age);

10 20

10 15 20

A runtime exception is thrown.

10 20

10 20

A compilation error occurs.

1

3

5

Nothing is printed.

for(int idx = 1; idx < arr.length; idx+=2) {

System.out.print (arr[idx]);

}

for(int idx = 1; idx < arr.length–1; idx++) {

System.out.print (arr[idx++]);

}

for(int idx = 0; idx < arr.length; idx++) {

System.out.print (arr[idx]);

}

for(int idx = 0; idx < arr.length; idx+=2) {

System.out.print (arr[idx]);

}

3 : 1

3 : 2

0 : 1

2 : 0

false

false

false

false

true

false

false

false

true

true

true

true

true

true

true

false

The code fails to compile. To make it compile, at line n1 insert:

this () { }

The code fails to compile. To make it compile, at line n2 insert:

this ();

The code fails to compile. To make it compile, at line n1 insert:

Bus () { }

The code compiles and prints:

default

luxury

Compilation fails. To make it compile, replace line n1 with var1 = 0;

Compilation fails. To make it compile, replace line n2 with var2 = 0;

0

Nothing is printed.

It replaces the default constructor.

It returns mutated instance members.

It must be declared private.

It can be used to assign data to instance members.

Java programs are designed to run only in web browsers and, thus, can run wherever there is a browser.

It is a marketing statement because Java programs must be compiled for a specific platform in order to run.

Java programs can run on any Java Virtual Machine without being recompiled.

Java programs, after being compiled, can run on any platform or device even without a Java Virtual Machine.