
103
F2911
(
JAVA
C/C++
SQL
)
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JAVA
“printArgs”
“main”
“printArgs”
! "#
9
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C
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+-.
“for”
+-/ 0 +-1 2 *34
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(
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"#
8
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int main(void)
{
int I,j,k,num[2][3][2]={1,3,5,7,9,0,2,4,6,8,10,11};
int *ptr;
printf(“n”);
return 0;}
}
9I J K L M N O P Q R S T U V W
Banks
.
Orders
X
Funds
Y 9?Z
(Table)
[
(schema)
$] ^ _ #
8
$%
Banks(no, name, address)//
`
(
`ab. c .d e
)
Orders(no, id, quantity)//
f g
(
`ab.J K ab.g h<
)
Funds(id,fundname, price)//
J K
(
J K ab.J K c .i j
)
k k l m n o p q
(attribute)
7 Z*r
(primary key)
s
Orders
Zt`ab/
J K abu ?v w r
(foreign key)
$] x y
Banks
ZX
Funds
Zo r "
z '
(1)
'
SQL
+-{ | } J K R S
“
J K ab
101
.J K c ~ +< .
ij
88”
Funds
Z "
(2)
'
Funds
o i j
(price)
J ` J K s'
SQL
+-
“
t`ab.` c / J K
”
"
BC'
“
+,
”
D
“for”
EF= @ A G H $"
class VarTest
{ public void printArgs(
k x < k
)
{
8*<j
}}
public class VarArgs
{ public static void main(String args[])
{ VarTest vt = new VarTest();
vt.printArgs("receive parameter first ", 1, 2);
System.out.println("######");
vt.printArgs("receive parameter second",15, 14, 13);}}
input:receive parameter first
get 2 parameters
args[0]=1
args[1]=2
######
input:receive parameter second
get 3 parameters
args[0]=15
args[1]=14