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Category upJava

Java Numbers

The Number class is a superclass of numeric data types in Java. Learn how to work with different Number implementations through the list of guides below.

  • Math (57)
  • Java Integer (36)
  • Floating Point Numbers (29)
  • Number Conversions (27)
  • Java BigDecimal (20)
  • Java Primitives (12)
  • Random (7)
  • Exception (4)
  • Guava (4)
  • Apache Commons Lang (3)

>> Time Manipulation With Instant and Long

>> How to Check if a Number Is the Sum of Two or More Consecutive Integers

>> Comparing Long Values Using Collections.sort()

>> Float vs. Double in Java

>> Convert Between IPv6 and BigInteger in Java

>> Check if the Given String Is a Valid Number

>> How to Convert float to int in Java

>> Sum of First N Even Numbers Divisible by 3 in Java

>> multiply vs parallelMultiply Methods of BigInteger

>> How to Check if Multiplying Two Numbers in Java Will Cause an Overflow

>> Efficient Way to Insert a Number Into a Sorted Array of Numbers in Java

>> Why Is 2 * (i * i) Faster Than 2 * i * i in Java?

>> How to Check if a Number Is a Palindrome in Java

>> How to Generate a Random Byte Array of N Bytes

>> Calculate Percentage Difference Between Two Numbers in Java

>> Number Formatting in Java

>> Fix ClassCastException: java.math.BigInteger cannot be cast to java.lang.Integer

>> Getting Arithmetic Results in the Modulo (10^9 + 7) Format

>> Arithmetic Operations on Arbitrary-Length Binary Integers in Java

>> Convert int to Unsigned byte in Java

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