class teststr{
public static void main(String args[]){
String[] c = new String[]{ "00", "00" };
if(c[0] == c[1]){
System.out.println("1");
}
System.out.println(c[0]+"\t"+c[1]);
c[0] += "1";
c[1] += "1";
System.out.println(c[0]+"\t"+c[1]);
if(c[0] == c[1]){
System.out.println("2");//ここが表示されまシェンムー
}
}
}

なぜなぜ?