A、正确,尽管变量var2定义了两次,但程序自动将它们看成一个变量; B、正确,前面出现的变量var2有效期仅在if中,不会与后面的变量var2重叠 ; C、错误,if 块中的变量var2有效期从这里直到函数结束,因此会出现变量重叠; D、错误,不管变量在哪里定义,它们都会在函数入口处初始化,因此会出现变量重叠;
A、annualreval.sh 2>&1 /var/log/reval.log 2> /var/log/reval.err B、annualreval.sh 1>/var/log/reval.log 2>/var/log/reval.err C、annualreval.sh 2>>&1 /var/log/reval.log /var/log/reval.err D、annualreval.sh 1>>/var/log/reval.log 2>/var/log/reval.err
A、The $VAR variable was not exported. B、The $VAR should have been set as VAR. C、dog needs double quotes around it when setting $VAR. D、The { } should not be around VAR in the echo command.
A、#!/bin/ksh line is missing B、Variable name VAR is not properly initialized C、Loop variable is not incremented inside the loop D、Replace brackets with braces
A、The $VAR variable was not exported B、The $VAR should have been set as VAR C、dog needs double quotes around it when setting $VAR D、The { } should not be around VAR in the echo command
A、 private void set Var(int a, float c, int b) {} B、 protected void set Var(int a, int b, float c) {} C、 public int set Var(int a, float c, int b) {return a:} D、 public int set Var(int a, int b, float c) {return a:} E、 protected float set Var(int a, int b, float c) {return c:}
A、 /var/adm/ras/bosinstlog  B、 /var/adm/ras/devinst.log  C、 /var/adm/rshlog  D、 /var/adm/sulog