在Connection中设置executeUpdate不要自动提交的代码是
选项:
A:
connection. setAutoCommit(true)
B:
connection.rollback()
C:
connection.setAutoCommit(false)
D:
connection.close()
connection. setAutoCommit(true)
connection.rollback()
connection.setAutoCommit(false)
connection.close()
以下文字与答案无关
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connection. setAutoCommit(false)
B:connection. setAutoCommit(true)
C:connection. rollback()
D:connection. close()
代码段1:
if (number % 2 == 0)
even = true;
else
even = false;
代码段 2:
even = (number % 2 == 0) ? true: false;
代码段 3:
even = number % 2 == 0;
选项: A:代码段1有语法错误
B:代码段2有语法错误
C:代码段3有语法错误
D:所有代码段都正确
True
B:False
a=True b=False
if a or b and a:
print('yes') else:
print('no')
选项: A:yes
B:no
C:True
D:False
代码段 2:
even = (number % 2 == 0) ? true: false;
代码段 3:
even = number % 2 == 0;
代码段1有语法错误
B:代码段2有语法错误
C:代码段3有语法错误
D:所有代码段都正确
String s2 = "lanqiao";
String s3 = new String("lanqiao");
String s4 = new String("lanqiao");
System.out.println(s1==s2);
System.out.println(s3==s4);
}
}
程序运行后的输出结果是( )
选项: A:true false
C:false false
D:false true
">12.1.有如下程序
public class LanQiao{
public static void main(String] args) {
String s1 = "lanqiao";
String s2 = "lanqiao";
String s3 = new String("lanqiao");
String s4 = new String("lanqiao");
System.out.println(s1==s2);
System.out.println(s3==s4);
}
}
程序运行后的输出结果是( )
选项: A:true false
C:false false
D:false true
false
B:true
C:0
D:null
线路已接通
B:人工转接
C:自动业务
D:医疗援助
True
B:False
C:1
D:0
Statement A: An important part of interview preparation is to take the time to analyze the job posting.
Statement B: During interview, you should wear lots of jewelry, bright colors and too much of makeup.
Identify the correct options based on the above two statements:
选项: A:Both are true
B:Statement A is true and Statement B is false
C:Statement A is false and Statement B is true
D:Both are false
0
B:1
C:TRUE
D:FALSE
TRUE
B:FALSE
view wx:if={{true}}隐藏组件view
B:view wx:if=true隐藏组件view
C:view wx:if={{false}}隐藏组件view
D:view wx:if=false隐藏组件view
True
B:False