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Ronald Greer
Front End Web Development Techdegree Graduate 56,430 Pointscan someone please help
it says i have a syntax error
package com.example;
import java.util.Date;
public class BlogPost {
private String mAuthor;
private String mTitle;
private String mBody;
private String mCategory;
private Date mCreationDate;
public int compareTo(Object obj){
if(obj instanceof BlogPost){
BlogPost bp = (BlogPost) obj;
return 0;
}
int dateComp = mCreationDate.compareTo(other.mCreatonDate);
return 1;
}
public BlogPost(String author, String title, String body, String category, Date creationDate) {
mAuthor = author;
mTitle = title;
mBody = body;
mCategory = category;
mCreationDate = creationDate;
}
public String[] getWords() {
return mBody.split("\\s+");
}
public String getAuthor() {
return mAuthor;
}
public String getTitle() {
return mTitle;
}
public String getBody() {
return mBody;
}
public String getCategory() {
return mCategory;
}
public Date getCreationDate() {
return mCreationDate;
}
}
3 Answers
Yanuar Prakoso
15,196 PointsHi Ronald
As the challenge task says: You need to implements Comparable interface to the class and then add Object type into method called compareTo then you need to modify the class name first:
import java.util.Objects;
public class BlogPost implements Comparable{
do not forget to add import java.util.Objects since you want to add an Object later in the compareTo method.
Then you were asked to produce a compareTo method that accepts an object as a parameter. Have it always return 1 for this first step so please just do that first:
@Override
public int compareTo(Object object) {
return 1;
}
Later on this challenge you will get the opportunity to use more complicated code in the compareTo method. For this first task just keep it simple okay.
I hope that can help
Ronald Greer
Front End Web Development Techdegree Graduate 56,430 PointsStill not working
Yanuar Prakoso
15,196 PointsThis is my code for passing the first challenge:
package com.example;
import java.util.Date;
import java.util.Objects;//<--- import this
public class BlogPost implements Comparable{//<-- do not forget to implements Comparable
private String mAuthor;
private String mTitle;
private String mBody;
private String mCategory;
private Date mCreationDate;
//erase all your added code from before
public BlogPost(String author, String title, String body, String category, Date creationDate) {
mAuthor = author;
mTitle = title;
mBody = body;
mCategory = category;
mCreationDate = creationDate;
}
public String[] getWords() {
return mBody.split("\\s+");
}
public String getAuthor() {
return mAuthor;
}
public String getTitle() {
return mTitle;
}
public String getBody() {
return mBody;
}
public String getCategory() {
return mCategory;
}
public Date getCreationDate() {
return mCreationDate;
}
public int compareTo(Object object){//<-- add this code
return 1;
}
}
please check again
Ronald Greer
Front End Web Development Techdegree Graduate 56,430 Pointsohhhhhh your showing task one i am on task 3. could you show me task3?
Yanuar Prakoso
15,196 Pointsjust modify your compareTo method to be:
public int compareTo(Object object) {
BlogPost blogPost = (BlogPost)object;
if (equals(blogPost)) {
return 0;
}
return mCreationDate.compareTo(blogPost.mCreationDate);
}