class UseBeforeDeclaration {
static {
x = 100; // ok - assignment
int y = x + 1; // error - read before declaration
int v = x = 3; // ok - x at left hand side of assignment
int z = UseBeforeDeclaration.x * 2;
// ok - not accessed via simple name
Object o = new Object(){
void foo(){x++;} // ok - occurs in a different class
{x++;} // ok - occurs in a different class
};
}
{
j = 200; // ok - assignment
j = j + 1; // error - right hand side reads before declaration
int k = j = j + 1;
int n = j = 300; // ok - j at left hand side of assignment
int h = j++; // error - read before declaration
int l = this.j * 3; // ok - not accessed via simple name
Object o = new Object(){
void foo(){j++;} // ok - occurs in a different class
{ j = j + 1;} // ok - occurs in a different class
};
}
int w = x= 3; // ok - x at left hand side of assignment
int p = x; // ok - instance initializers may access static fields
static int u = (new Object(){int bar(){return x;}}).bar();
// ok - occurs in a different class
static int x;
int m = j = 4; // ok - j at left hand side of assignment
int o = (new Object(){int bar(){return j;}}).bar();
// ok - occurs in a different class
int j;
}