initialization block concept from the Java knowledge base

syntactic unit > scoping unit > block > nested block > initialization block

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initialization block

subject fact

initialization block has purpose to be executed before any method for a class or instance added by: DS, 2001-10-19 11:36:55.0
is a subtopic of Classes
is a kind of nested block

nested block should be indented carefully 2001-10-19 11:37:29.0

block contains several statements surrounded by braces    2001-10-19 11:36:10.0
has example
{
a =5;
b = computeSomething;
}
has layout example style preferred by Sun:
if(condition) {
// statements
}
has layout example style preferred by the authors:
if(condition)
{
// statements
}
is used as the body of classes, loops, conditional statements and for exception handling    2001-10-19 11:36:10.0

syntactic unit has syntax rule
bold = mandatory
italic = non-terminal
normal font = optional
2001-10-19 11:38:04.0

Kinds of initialization block :

instance initialization block (2 facts)
static initialization block (3 facts)

initialization block	has purpose to be executed before any method for a class or instance
	is a subtopic of Classes
	is a kind of nested block
nested block	should be indented carefully
block	contains several statements surrounded by braces
	has example { a =5; b = computeSomething; }
	has layout example style preferred by Sun: if(condition) { // statements }
	has layout example style preferred by the authors: if(condition) { // statements }
	is used as the body of classes, loops, conditional statements and for exception handling
syntactic unit	has syntax rule bold = mandatory italic = non-terminal normal font = optional