Java_Foundation_3

What is the result

• The compilation fails at line 9

• The compilation fails at line 2

• Hello World

• The compilation fails at line 8

Which two allow a.Main to allocate a new Person? (Choose two.)

• In Line 1, change the access modifier to privateprivate Person() {

• In Line 1, change the access modifier to publicpublic Person() {

• In Line 2, add extends Person to the Main classpublic class Main extends Person {and change Line 3 to create a new Main objectPerson person = new Main();

• In Line 2, change the access modifier to protectedprotected class Main {

• In Line 1, remove the access modifierPerson() {

Which interface in the java.util.function package will return a void return type?

• Supplier

• Predicate

• Function

• Consumer

Which two lines inserted in line 1 will allow this code to compile? (Choose two.)

• protected void walk(){}

• void walk(){}

• abstract void walk();

• private void walk(){}

• public abstract void walk();

What is the result?

• An exception is thrown at runtime

• 42=(x+y)=42

• 42=(x+y)=6

• 6=(x+y)=42

• 6=(x+y)=6

Which three actions implement Java SE security guidelines? (Choose three.)

• Change line 7 to return names.clone();

• Change line 2 to protected volatile String[] names;

• Change line 2 to private final String[] names;

• Change line 3 to private Secret(String[] names) {

• Change the getNames() method name to get$Names()

Which is the correct order of possible statements in the structure of a Java class file?

• class, package, import

• package, import, class

• import, package, class

• package, class, import

• import, class, package

Which two lines of code when inserted in line 1 correctly modifies instance variables? (Choose two)

• tCount = tCount;

• setCCount(c) = cCount;

• setGCount(g);

• cCount = setCCount(c);

• aCount = a;

What is the result?

• [0,0] = Red[0,1] = White[1,0] = Black[1,1] = Blue[2,0] = Yellow[2,1] = Green[3,0] = Violet

• [0,0] = Red[1,0] = Black[2,0] = Blue

• java.lang.ArrayIndexOutOfBoundsException thrown

• [0,0] = Red[0,1] = White[1,0] = Black[2,0] = Blue[2,1] = Yellow[2,2] = Green[2,3] = Violet

Predict the output.

• Joe Bloggs

• null

• The compilation fails due to an error in line 1.

• p1