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StackOverflow 文件
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arrays 教程
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原始陣列和物件陣列
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用 Java 建立一個基本陣列
public class CreateAnArray{
public static void main(String[] args){
// Creates a new array of Strings with a length of 3
// This length cannot be changed later
String[] myStringArray = new String[3];
myStringArray[0] = "Hello"; // Java array indicies start at 0
myStringArray[1] = "World";
myStringArray[2] = "!"; // The array is now full
try{
myStringArray[3] = "This will cause an error."; // Index 3 requires an array
// of size 4 or greater
}
catch(ArrayIndexOutOfBoundsException out){
System.out.println("Java arrays cannot be expanded.");
}
// Print out "Hello World!" to the console
System.out.println(myStringArray[0]+" "+myStringArray[1]+" "+myStringArray[2]);
}
}