Tag: programming languages

Questions Related to programming languages

State true or false :- URL instance represents the location of a resource
technology programming languages

  1. True

  2. False

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Correct Option: A

Choose the components of Java Platform
technology programming languages

  1. JVM

  2. JDK

  3. Java API

  4. JRE

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Correct Option: A,C

What data type should be used for storing precise values ?
technology programming languages

  1. float

  2. Float

  3. Double

  4. BigDecimal

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Correct Option: D

arraycopy is to copy one array into another.
technology programming languages

  1. True

  2. False

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Correct Option: A

Which of the following are true about nested class ?
technology programming languages

  1. Nested class is a way of logically grouping classes that are only used in one place.

  2. A static nested class can refer directly to instance variables or methods defined in its enclosing class.

  3. Nested classes can lead to more readable and maintainable code.

  4. A static nested class interacts with the instance members of its outer class.

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Correct Option: A,C,D

java.lang.String class is declared as a final class.
technology programming languages

  1. True

  2. False

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Correct Option: A

Choose the methods that are not available in StringBuilder class.
technology programming languages

  1. length

  2. size

  3. capacity

  4. reverse

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Correct Option: B

Java packages are to be hierarchical.
technology programming languages

  1. True

  2. False

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Correct Option: B

Type erasure is a process where the compiler removes all information related to type parameters and type arguments within a class or method.
technology programming languages

  1. True

  2. False

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Correct Option: A

To declare a bounded type parameter, which keyword is used ?
technology programming languages

  1. implements

  2. use

  3. extends

  4. extend

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Correct Option: C