Mega Code Archive
Using Initialization Blocks
<![CDATA[
A block defined using the keyword static.
Executed once when the class is loaded.
Can initialize only static data members of the class.
public class MainClass {
static int[] values = new int[10];
static {
System.out.println("Running initialization block.");
for (int i = 0; i < values.length; i++) {
values[i] = (int) (100.0 * Math.random());
}
}
void listValues() {
for (int value : values) {
System.out.println(value);
}
}
public static void main(String[] args) {
MainClass example = new MainClass();
System.out.println("\nFirst object:");
example.listValues();
example = new MainClass();
System.out.println("\nSecond object:");
example.listValues();
}
}
Running initialization block.
First object:
58
22
49
75
1
35
76
19
27
63
Second object:
58
22
49
75
1
35
76
19
27
63
]]>