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static
public int SumArray(int[] arr) {
int sum=0;
for (int i=0; i < arr.length; i++) {
sum += arr[i];
}
return sum;
}
static
public Example SumObjArray(Example[] arr) {
Example sum= new Example();
for (int i=0; i < arr.length; i++) {
sum.mPublicInt += arr[i].mPublicInt;
}
return sum;
}
static public int[] ReverseArray(int[] arr) {
int[] ret = new int[arr.length];
for (int i=0; i < arr.length; i++) {
ret[arr.length-i-1]=arr[i];
}
return ret;
}
static public boolean Flip(boolean val) {
System.out.println("calling flipboolean");
return val?false:true;
}
}
The useExample ColdFusion page
The following useExample.cfm page uses the
Booleans, and Example objects. The
convert into the appropriate Java data types.
<html>
<head>
<title>CFOBJECT and Java Example</title>
</head>
<body>
<!--- Create a reference to an Example object --->
<cfobject action=create type=java class=Example name=obj>
<!--- Create the object and initialize its public member to 5 --->
<cfset x=obj.init(JavaCast("int",5))>
<!--- Create an array and populate it with string values,
then use the Java object to reverse them. --->
<cfset myarray=ArrayNew(1)>
<cfset myarray[1]="First">
<cfset myarray[2]="Second">
<cfset myarray[3]="Third">
<cfset ra=obj.ReverseStringArray(myarray)>
<!--- Display the results --->
<cfoutput>
<br>
original array element 1: #myarray[1]#<br>
original array element 2: #myarray[2]#<br>
original array element 3: #myarray[3]#<br>
758
Chapter 33: Integrating J2EE and Java Elements in CFML Applications
class to manipulate numbers, strings,
Example
CFML function ensures that CFML variables
JavaCast
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Troubleshooting
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