A.  

Replace line 1 with int sum = numbers. Stream (). Interate (0, a -> a+1. Reduce (0, (n m) -> n+m);

B.  

Replace line 1with int sum = numbers. ParallelStream ( ). Reduce (0, (n, m ) -> n + m);

C.  

Replace line 1 with int sum = numbers. Parallel ( ). Stream ( ). Reduce (0, (n, m ) -> n + m);

D.  

Replace line 1with int sum = number. Stream ( ) . flatMap (a -> a) .reduce (0, (n, m) -> n +m );

E.  

Replace line 1with int sum = number.stream. parallel ( ). Reduce (0, (n, m) -> n + m);

A.  

public Collection foo(Collection arg) { ... } overrides Foo.foo.

B.  

public Collection foo(Stream arg) { ... } overloads Foo.foo.

C.  

public List foo(Collection arg) { ... } overrides Foo.foo.

D.  

public Collection foo(Collection arg) { ... } overloads Foo.foo.

E.  

public Collection bar(Collection arg) { ... } overloads Foo.foo.

F.  

public Iterable foo(Collection arg) { ... } overrides Foo.foo.

A.  

The code compiles but does not print any result.

B.  

The code prints 25.

C.  

The code does not compile.

D.  

The code throws an exception at runtime.

A.  

watermelonorangelemongrapeapricotapple

B.  

nothing

C.  

appleapricotgrapelemonorangewatermelon

D.  

appleorangegrapelemonapricotwatermelon

A.  

Only a module that requires the java.se module is permitted to require the java.sql module.

B.  

Any module that requires the java.se module does not need to require the java.sql module.

C.  

Any module that attempts to require the java.se module actually requires the java.sql module instead.

D.  

Any module that requires the java.sql module does not need to require the java.se module.

A.  

A ClassCastException is thrown at runtime.

B.  

AnotherClass#methodA()AnotherClass#methodA()

C.  

The compilation fails.

D.  

SomeClass#methodA()AnotherClass#methodA()

E.  

AnotherClass#methodA()SomeClass#methodA()

F.  

SomeClass#methodA()SomeClass#methodA()

A.  

i—;

B.  

continue b;

C.  

break b;

D.  

j--;

E.  

continue a;

F.  

break a ;

A.  

Function function = String::toUpperCase;

B.  

UnaryOperator function = s −> s.toUpperCase();

C.  

UnaryOperator function = String::toUpperCase;

D.  

Function function = m −> m.toUpperCase();

A.  

String a = “A”;

B.  

Integer e = 5;

C.  

Float g = Float.valueOf(null);

D.  

Double d = 4;

E.  

Long c = 23L;

F.  

Float f = 6.0;

A.  

Abacus aba = (int m, int n) -> { m * n };

B.  

Abacus aba = (int e, int f) -> { return e * f; };

C.  

Abacus aba = (a, b) -> a * b;

D.  

Abacus aba = v, w -> x * y;

E.  

Abacus aba = (int i, j) -> ( return i * j; };

A.  

A try block can have more than one catch block.

B.  

A finally block in a try-with-resources statement executes before the resources declared are closed.

C.  

A finally block must be immediately placed after the try or catch blocks.

D.  

A try block must have a catch block and a finally block.

E.  

catch blocks must be ordered from generic to specific exception types.

A.  

A java.util.NoSuchElementException is thrown at run time.

B.  

Ans : a

C.  

The compilation fails.

D.  

Ans :

A.  

Replace line 9 with function tripler = x-> - { return (Integer) X * 3 ; }.

B.  

Replace line 12 with public static void printValue function f, int num) {.

C.  

Replace line 12 with public static int printValue function, f, T num {.

D.  

Replace line 12 with public static void printValue (Function f, T num ) {,

E.  

Replace line 9 with function, Integer> = X -> { return (integer) x * 3; }.

A.  

public List foo(Set m) { ... }

B.  

public ArrayList foo(Set m) { ... }

C.  

public List foo(TreeSet m) { ... }

D.  

public List foo(Set m) { ... }

E.  

public List