iSharkFly-Docs/java-tutorials
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

BAEL-6963

Browse Source 
BAEL-6963 Changes
This commit is contained in:
Niket Agrawal 2023-09-15 00:04:31 +05:30
parent 8c400720c0
commit 6929fe1469
2 changed files with 45 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
core-java-modules/core-java-collections-array-list/src/main/java/com/baeldung/list/multiple/objecttypes/CustomObject.java Normal file
View File

@ -0,0 +1,13 @@
package com.baeldung.list.multiple.objecttypes;
public class CustomObject {
String classData;
CustomObject(String classData) {
this.classData = classData;
}
public String getClassData() {
return this.classData;
}
}

32
core-java-modules/core-java-collections-array-list/src/main/java/com/baeldung/list/multiple/objecttypes/MultipleObjectTypeArrayList.java Normal file
View File

@ -0,0 +1,32 @@
package com.baeldung.list.multiple.objecttypes;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class MultipleObjectTypeArrayList {
public static void main(String[] args) {
List<Object> multiTypeList = new ArrayList<>();
multiTypeList.add(Integer.valueOf(10));
multiTypeList.add(Double.valueOf(11.5));
multiTypeList.add("String Data");
multiTypeList.add(Arrays.asList(1, 2, 3));
multiTypeList.add(new CustomObject("Class Data"));
for (Object dataObj : multiTypeList) {
if (dataObj instanceof Integer intData)
System.out.println(intData);
if (dataObj instanceof Double doubleData)
System.out.println(doubleData);
if (dataObj instanceof String stringData)
System.out.println(stringData);
if (dataObj instanceof List<?> intList)
System.out.println(intList);
if (dataObj instanceof CustomObject customObj)
System.out.println(customObj.getClassData());
}
}
}