최신Oracle Java SE 11 Programmer I - 1z1-815무료샘플문제

A. Replace the code in line 2 with Car ob = new Car();

B. Add @Override annotation in line 2.

C. Remove the parameter from wheels method in line 3.

D. Remove abstract keyword in line 1.

A. Long x = 1;

B. Byte x = 1;

C. Double x = 1;

D. Integer x = new Integer ("1");

E. short x = 1;

F. String x = "1";

A. 0

B. The program prints nothing.

C. It prints 1 in the infinite loop.

D. 1

E. 0

A. float z = Math.round((float)x/y*100)/(float)100;

B. float z = Math.round((int)(x/y),2);

C. float z = Math.round((float)x/y,2);

D. float z = (float)(Math.round((float)x/y*100)/100);

A. Abstraction

B. Polymorphism

C. Inheritance

D. Encapsulation

E. Instantiation

A. enables multiple instances of the same class to be created safely

B. permits classes to be combined into the same package

C. protects confidential data from leaking out of the objects

D. prevents code from causing exceptions

E. enables the class implementation to protect its invariants

F. allows a class implementation to change without changing t he clients

A. tCount = tCount;

B. setCCount(c) = cCount;

C. setGCount(g);

D. aCount = a;

E. cCount = setCCount(c);

A. apple
apricot
grape
lemon
orange
watermelon

B. watermelon
orange
lemon
grape
apricot
apple

C. nothing

D. apple
orange
grape
lemon
apricot
watermelon