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public class Testa{
public int num1;
private static int num2;
public int num3;
static {
num2=10;
System.out.println(" init num");
}
public Testa(){
num1=10;
num3=10;
}
public void f1(int num1,int num3){
num1=20;
num2=20;
num3=20;
}
public void f2(int num4){
num1=num4;
num2=30;
num3=30;
}
public void print(){
System.out.println(" num1="+num1);
System.out.println(" num2="+num2);
System.out.println(" num3="+num3);
}
public static void main(String[] args){
Testa test = new Testa();
test.f1(20,20);
test.print(); //1ʽ
test.f1(30,30);
test.print(); // 2ʽ
test.f2(30);
test.print(); // 3ʽ
}
}
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init num
num1=10
num2=20
num3=10
num1=10
num2=20
num3=10
num1=30
num2=30
num3=30
public static void main(String[] args){
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