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Data Types

  • Java is considered to be a strongly typed language.

  • All variables must be decalre.

  • Java has eight data types referred to as primitives.

  • The eight primitives can be divided into four categories.

Table 1. Integer Data Types

byte8 bits
short16 bits
integer32 bits
long64 bits

Table 2. Floating Point Types

float32 bits
double64 bits

Table 3. Character

char16 bits

Table 4. Boolean

boolean1 bits (true or false)