姹熻タ鍐滀笟澶у
2011
鈥?/p>
2012
瀛﹀勾绗竴瀛︽湡鏈熸湯鑰冭瘯璇曞嵎锛?/p>
B
锛?/p>
璇剧▼鍚嶇О锛?/p>
JAVA
璇?/p>
瑷�
绋?/p>
搴?/p>
璁?/p>
璁?/p>
寮�璇惧崟浣嶏細杞欢瀛﹂櫌
鑰冭瘯鏂瑰紡锛氶棴鍗?/p>
浣跨敤涓撲笟锛氳蒋浠跺伐绋?/p>
鑰冭瘯鏃ユ湡锛?/p>
2011.12.27
鑰冭瘯鏃堕棿锛?/p>
120
鍒嗛挓
棰樺彿
涓�
浜?/p>
涓?/p>
鎬诲垎
绛惧悕
棰樺垎
30
20
50
100
寰楀垎
娉ㄦ剰浜嬮」锛?/p>
1
銆佹湰璇曞嵎鍏?/p>
1
椤碉紝鑰冪敓蹇呴』灏嗚瘯鍗风瓟妗堝～鍐欏湪绛旈绾镐笂锛?/p>
2
銆佽�冭瘯缁撴潫鍚庯紝鑰冪敓鍔″繀灏嗚瘯鍗枫�?/p>
绛旈绾稿拰鑽夌ǹ绾镐氦缁欑洃鑰冭�佸笀銆?/p>
涓�銆佺▼搴忚緭鍑洪锛堝叡
6
灏忛锛屾瘡灏忛
5
鍒嗭紝鍏?/p>
30
鍒嗭級
1
銆?/p>
public class Arrays
{
public static void main(String[] args)
{
int[] a1 = { 1, 2, 3, 4, 5 };
int[] a2;
a2 = a1;
for(int i = 0; i < a2.length; i++)
a2[i]+i;
for(int i = 0; i < a1.length; i++)
System.out.println( "a1[" + i + "] = " + a1[i]);
}
}
2
銆?/p>
public class ArrayCopyDemo
{ public static void main(String[] args)
{ char[] copyFrom = { 'd', 'e', 'c', 'a', 'f', 'f', 'e', 'i', 'n', 'a', 't', 'e', 'd'};
char[] copyTo = new char[7];
System.arraycopy(copyFrom, 2, copyTo, 0, 7);
System.out.println(new String(copyTo));
}
}
3
銆?/p>
public class BankAccount {
private int accountNumber;
private float balance;
public BankAccount(int number, float initBal){
accountNumber = number;
balance = initBal;
}
public String toString(){
return("Account #"+new java.text.DecimalFormat("000000").format(accountNumber) + " with balance "
+ new java.text.DecimalFormat("$0.00").format(balance));
}
}
public class AccountTester {
public static void main(String args[]) {
BankAccount
anAccount;
anAccount = new BankAccount(100023,100);
System.out.println(anAccount);
}
}
4
銆?/p>
class A1{
int x = 20;
public void setx(int i){
x = i;
}
void printa(){
System.out.println(x);
}
}
class B1 extends A1{
int x=1;
void printb() {
super.x = super.x +10 ;
System.out.println
("super.x= " + super.x +
"
x= " + x);
}
}
public class Exam4_4Test
{
public static void main(String[] args){
A1 a1 = new A1();
a1.setx(4);
a1.printa();
B1 b1 = new B1();
b1.printb();
b1.printa();
b1.setx(6);
b1.printb();
b1.printa();
a1.printa();
}
闄?/p>
绯?/p>
锛?/p>
涓?/p>
涓?/p>
鐝?/p>
绾?/p>
锛?/p>
濮?/p>
鍚?/p>
锛?/p>
瀛?/p>
鍙?/p>
锛?/p>
瑁?/p>
璁?/p>
绾?/p>