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Tao BJCDL Wang/China/Contr/IBM2010-01-26 16:29
Subject: AIX 命令 Category: ? Originator Reviewers Review Options Tao BJCDL Wang/China/Contr/IBM Type of review: One reviewer at a time Time Limit Options: No time limit for each review Notify originator after: final revi ...
在unix上,db2_dblibrary选择4的时候,2个jar文件之间用冒号 : 分割
在windows上用分号 ;分割.
db2 "CREATE DB wpsdb using codeset UTF-8 territory us COLLATE USING UCA400_NO PAGESIZE 8192"db2 "UPDATE DB CFG FOR wpsdb USING applheapsz 4096"db2 "UPDATE DB CFG FOR wpsdb USING app_ctl_heap_sz 1024"db2 ...
[color=olive]1. Q. How do you list files in a directory?
A: ls
ls
语法：ls [选项] 路径名称
-a 显示所有档案及目录 (ls内定将档案名或目录名称开头为"."的视为隐藏档,不会列出)
-l 除档案名称外,亦将档案型态,权限,拥有者,档案大小等资讯详细列出
-r 将档案以相反次序显示(原定依英文字母次序)
-t 将档案依建立时间之先后次序列出
-A 同 -a ,但不列出 "." (目前目录) 及 ".." (父目录)
-F 在列出的档案 ...
[color=green]1. Q. How do you list files in a directory?
A: ls
ls
语法：ls [选项] 路径名称
-a 显示所有档案及目录 (ls内定将档案名或目录名称开头为"."的视为隐藏档,不会列出)
-l 除档案名称外,亦将档案型态,权限,拥有者,档案大小等资讯详细列出
-r 将档案以相反次序显示(原定依英文字母次序)
-t 将档案依建立时间之先后次序列出
-A 同 -a ,但不列出 "." (目前目录) 及 ".." (父目录)
-F 在列出的档案 ...
public class X{
private static int a;
public static void main(String[] args){
modify(a);
System.out.println(a);
}
public static void modify(int a){
a++;
}
}
输出为
0
public class X{
private static int a;
public static void main(String[] args){
modify(a); ...
1.
public class ReturnIt{
returnType methodA(byte x, double y){ //line 2
return (short)x/y*2;
}
}
what is valid returnType for methodA in line 2?
答案:返回double类型,因为(short)x将byte类型强制转换为short类型,与double类型运算,将会提升为double类型.
2.
1) class Super{
2) public float getNum ...
**The following questions have appeared on actual exams. Situational details (ie, names, locations, and quantities) have been changed to avoid copyright infringement. Memorize as many of these questions as possible in the 5 nights prior to your exam. Good luck
1.Given:
1.public class test (
...
Simulated Test of SCJP for JAVA2 PlatFORM (only for training)
1.
1) public class ReturnIt{
2) returnType methodA(byte x, double y){
3) return (short)x/y*2;
4) }
5) }
what is valid returnType for methodA in line 2?
Answer:double
2.
1) class Super{
2) public float getNu ...