Produce a recursive method for creating substrings of length 1 or 2.
i am having an error that i can't solve within this code
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Unknown Userβ’12mo ago
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i know
i have to drag the word bank code to my base code
and i thought the code works
but it showed me the error for the else
and when i tried to move it it gave me the } <---- error
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Warning: abusing this will result in moderative actions taken against you.import java.util.ArrayList;
public class Amber {
public static ArrayList<String> breakups(String str) {
ArrayList<String> result = new ArrayList<>();
if (str.length() <= 1) {
result.add(str);
} else if (str.length() == 2) {
result.add(str);
String first1 = str.substring(0, 1);
String rest1 = str.substring(1);
result.add(first1 + " " + rest1);
} else {
String first1 = str.substring(0, 1);
String rest1 = str.substring(1);
ArrayList<String> shorter1 = breakups(rest1);
for (String s : shorter1) {
result.add(first1 + " " + s);
}
String first2 = str.substring(0, 2);
String rest2 = str.substring(2);
ArrayList<String> shorter2 = breakups(rest2);
for (String s : shorter2) {
result.add(first2 + " " + s);
}
}
return result;
}
public static void main(String[] args) {
ArrayList<String> result = breakups("amber");
for (String element : result) {
System.out.println(element);
}
}
}
Please format your code to make it more readable. For java, it should look like this:
β
βββjava
public void foo() {
}
ββββ
Unknown Userβ’12mo ago
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it won't break the code tho
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Warning: abusing this will result in moderative actions taken against you.i will try this
if this dose not work then idk
result.add(str);
String first1 = str.substring(0, 1);
String rest1 = str.substring(1);
result.add(first1 + " " + rest1);
String first2 = str.substring(0, 2);
String rest2 = str.substring(2);
ArrayList<String> shorter2 = breakups(rest2);
for (String s : shorter2) {
result.add(first2 + " " + s); this part is not in the word bank code
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Failed to compile
Amber.java:14: error: cannot find symbol
result.add(first1 + " " + rest1);
^
symbol: variable first1
location: class Amber
Amber.java:14: error: cannot find symbol
result.add(first1 + " " + rest1);
^
symbol: variable rest1
location: class Amber
Amber.java:18: error: cannot find symbol
ArrayList<String> shorter1 = breakups(rest1);
^
symbol: variable rest1
location: class Amber
Amber.java:21: error: cannot find symbol
result.add(first1 + " " + s);
^
symbol: variable first1
location: class Amber
Amber.java:23: error: cannot find symbol
ArrayList<String> shorter2 = breakups(rest2);
^
symbol: variable rest2
location: class Amber
Amber.java:26: error: cannot find symbol
result.add(first2 + " " + s);
^
symbol: variable first2
location: class Amber
6 errors
thats the error i am getting
@borgrel
Unknown Userβ’12mo ago
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"scope" refers to the context in which variables, functions, and other identifiers are defined and can be accessed.
Unknown Userβ’12mo ago
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yeah
so i am looking for break downs for 1 and 2 for amber
and the code you gave me for the middle dose not work when i did the draged it from the left to the right code where i need
and i pretty much it gave me a error
Unknown Userβ’12mo ago
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oh ok my bad
but i do not know what i need to do tho
i am not getting anything from this code i did XD
Unknown Userβ’12mo ago
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