Java Programming for Complete Beginners - Java 16 - Step 04 - Java Floating Point Data Types - Casting, Conversion, and

Java Programming for Complete Beginners - Java 16 - Step 04 - Java Floating Point Data Types - Casting, Conversion, and

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains floating point types in Java, focusing on double and float. It covers the characteristics of floating point literals, common errors when assigning values, and the need for explicit casting. The tutorial also discusses the use of operators on floating point types and the process of converting floating point values to integers, highlighting the concept of widening conversion.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the default type of a floating point literal in Java?

long

double

int

float

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't a double value be directly assigned to a float variable?

Because float is a default type

Because they are incompatible types

Because float is larger than double

Because double is larger than float

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following operations can be performed on both integers and floating point types?

Bitwise AND

Logical OR

Modulus

String concatenation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when a float value is converted to an int?

The value is halved

The value is doubled

The decimal part is truncated

The decimal part is rounded

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a widening conversion in Java?

Converting a smaller type to a larger type

Converting a double to a float

Converting a larger type to a smaller type

Converting a float to a double

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