Java - Beginning to Inheritance

true or false, code snippets and definitions

what is the size of float variable?

what is the size of float variable?

32 bit

which operator is considered to be with highest precedence?

a. (), []
b. ? :
c. =
d. %

a. (), []

Correct syntax for the main method of a java class?
a. public static int main ( String[] args)
b. public static void main ( string[] args)
c. none of the choices
d. Public static void main (String [] args)
e. Public int main ( string [] args)

d. Public static void main (String [] args)

what is an applet?

java program rhat runs in a web Browser

static methods are allowed to access variables using this.varName. (True or False)

False. static methods cannot access instance variables (non-static variables) using this.varName, because this refers to the current instance of the class, and static methods do not belong to any particular instance — they are associated with the class itself.

what is method overloading?

methods with the same name but different parameters

Objects are stored in Stack

false

Size of double Variable

64 bit

is an empty . java file a valid source file?

True

Primitive variables are stored on stack

True

waht is the default value of String variable

null

Does garbage collection guarantee that a program will not run out of memory

No, garbage collection does not guarantee it will free up enough memory to prevent out-of-memory errors.

is it legal to access a static method using an instance of the class

True

size of int variable

32 bit

what is a local variable?

variables defined inside methods, constructors or blocks

Method Overloading is a n example of

dynamic binding

what is the default value of char variable

‘\u0000’

output of the code snippet
int i = 1;
switch(i){
default: System.out.println(“default’
case 0 : System.out.println(“zero”);
break;
case 1 : System.out.print(“one”);
case 2: System.out.print(“two”);
}

compile time-error. default line