Trắc nghiệm kiến thức Java Core - Phần I

Java provides some statements that will change the flow of control based on conditions. __________ statement stops the execution of the innermost loop in the program and starts processing the next line of code after the block.

• jump

• break

• change

• continue

All ___________ in a class must be placed after the package statement and before the class declaration.

• class members

• Access specifiers

• Method modifiers

• Import statements

__________ inside methods are not given any access specifiers.

• Class

• Global variables

• Instance variables

• Local variables

When methods with the same name but different parameters are defined in the same class, then the process is known as ______________

• Method clogging

• Method overloading

• Method overriding

• Method recursing

1. Primitive variables are used to store primitive data type values.
2. Primitive instance variables are accessible throughout the class in which they have declared.
3. Primitive local variables are declared outside the methods and their scope is global.
4. Primitive variables are used to store reference to objects.

• Statements 1, 2 are true

• Statements 3, 4 are true

• Statements 1, 3 are true

• Statements 2, 4 are true

____________ literals are enclosed in single quotes.

• String

• Character

• Floating point

• Integer

____________ consists of sequence of characters enclosed in double quotes.

• Character literals

• Null literals

• Numeric literals

• String literals

In Java, _____________ data type is an address of an object or an array created in memory

• primitive

• reference

• format

• int

The extension of a java source file is .... ?

• .javac

• .java

• .bytecode

• .class

Select valid variable name in java ?

• int

• myvar1

• static

• %test