State true or false :- URL instance represents the location of a resource
True
False
Choose the components of Java Platform
JVM
JDK
Java API
JRE
What data type should be used for storing precise values ?
float
Float
Double
BigDecimal
arraycopy is to copy one array into another.
Which of the following are true about nested class ?
Nested class is a way of logically grouping classes that are only used in one place.
A static nested class can refer directly to instance variables or methods defined in its enclosing class.
Nested classes can lead to more readable and maintainable code.
A static nested class interacts with the instance members of its outer class.
java.lang.String class is declared as a final class.
Choose the methods that are not available in StringBuilder class.
length
size
capacity
reverse
Java packages are to be hierarchical.
Type erasure is a process where the compiler removes all information related to type parameters and type arguments within a class or method.
To declare a bounded type parameter, which keyword is used ?
implements
use
extends
extend