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¼¼Áâϵͳ¼¯³ÉÓÐÏÞ¹«Ë¾JavaÃæÊÔÌâ
2014-11-24 01:40:36 ¡¾´ó ÖРС¡¿ ä¯ÀÀ:2489´Î
Tags£ºÏµÍ³¼¯³É ÓÐÏÞ¹«Ë¾ Java ÊÔÌâ

1,Çë±àдһ¸öjava³ÌÐò£¨+-/*£©ÔËË㣺
ÊäÈëjava Cal 10 + 30 ÔòÊä³ö40
ÊäÈëjava Cal 2 * 3 ÔòÊä³ö6
2.ÇëÖ¸³öÏÂÁÐÖеĴíÎó
Class A{
int j;
public static void main(String[] args){
int i[10];
i[0] = 10;
A a = new A();
a.j = 12;
System.out.println(i[0] + a.j);
}
}


3.д³öÏÂÁгÌÐòµÄ½á¹û


class A{
void test(){
System.out.println(¡°A:Test¡±);
}
}


class B extends A{
void test(){
System.out.println(¡°B:Test¡±);
}


void tt(){
test();
}
}


class C{
public static void main(String[] args){
C c = new C();
c.tt();
}
}


4.д³öÏÂÁгÌÐòµÄ½á¹û£º


class A{
private void test(){
System.out.println(¡°A:Test¡±);
}
}


class B extends A{
void test(){
System.out.println(¡°B:Test¡±);
}


void tt(){
test();
}
}


class C{
public static void main(String[] args){
C c = new C();
c.tt();
}
}
5.Èç¹ûÏÂÁгÌÐòÓдíÎó£¬ÇëÐÞ¸Ä
class A{


public static void main(String[] args){
System.out.println(¡°Start¡±);
Thread.sleep(1000);
System.out.println(¡°End¡±);
}
}


6.ÏÂÁгÌÐòÊÇ·ñÓÐÂß¼­´íÎó£¬ÓУ¬ÇëÐ޸IJ¢Ëµ³öÔ­Òò(k ÊÇÊý×éµÄÔªËصĸöÊý)
class A{
int k = 0;
int l[] ;
}
class B{
public static void main(String[] args){
A a = new A();
a.l = new int[10];
a.l[0] = 0;
a.l[1] = 1;
C c1 = new C(1,a);
C c2 = new C(2,a);
}
}
class C extends Thread{
A a;
int i;
public C(int i,A a){
this.i = i;
this.a = a;
}
public void run(){
while(true){
if(i == 1){
if(i == 2){
a.l[2] = 2;
a.k = 3;
}else{
a.k = 2;
}
System.out.println(¡°End¡­¡­¡±);
}else{
for(int j =0;j System.out.print(a[j]);
}
}
}
}
}


































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