TRUE or FALSE The below code run without any error. class output public static void main(String args[]) StringBuffer s1 = new StringBuffer ("Hello"); StringBuffer s2 = s1.reverse(); System.out.println(s2);
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![TRUE or FALSE
The below code run without any error.
class output
{
public static void main(String args[])
{
StringBuffer s1 = new StringBuffer("Hello");
StringBuffer s2 = s1.reverse();
System.out.println(s2);
}
}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa52de46a-7454-4841-b7e9-1e69234ed695%2Fa165fe22-0728-4ea1-b147-b1c7eeea4818%2Fiqngxaa_processed.png&w=3840&q=75)
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Solved in 2 steps with 1 images
- In Java: Write a loop that iterates over a String t and counts, then prints the total number of a’s plus b’s, plus c’s combined. (So, "athbdskjcksajfb" would be 5.)Read the input one line at a time and output the current line if and only if it is largerthan any other line read so far or strictly smaller than the previously outputted line. (Here,smaller is with respect to the usual order on Strings, as defined by String.compareTo()). you have to use arrylist and cant modify any code under public static void main(string[] args). example: input 138456792 output: 138492 import java.util.*; import java.io.BufferedReader; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Stack; public class Part2 { /** * Your code goes here - see Part0 for an example * @param r the reader to read from * @param w the writer to write to * @throws IOException */ public static void doIt(BufferedReader r, PrintWriter w) throws IOException { /*ArrayList<String> arr = new ArrayList<>(); int count…public class BandMatrix { public static void main(String[] args) { double n=Integer.parseInt(args[0]); double width=Integer.parseInt(args[1]); for(int i=0; i<n; i++) { for(int j=0; j<n; j++) { if(Math.abs(i-j)<=width) System.out.print("* "); else System.out.print("0 "); }System.out.println(); } } }
- Code that need debugging fix with no errors // Gets a String from user // Converts the String to lowercase, and // displays the String's length // as well as a count of letters import java.util.*; public class DebugSeven4 { public static void main(String[] args) { Scanner kb = new Scanner(System.in); String aString ; int numLetters = 0; int stringLength; System.out.println("Enter a String. Include"); System.out.println("some uppercase letters, lowercase"); System.out.print("letters, and numbers >> "); aString = kb.nextLine(); stringLength = aString.length(); System.out.print("In all lowercase, the String is: "); for(int i = 0; i <= stringLength; i++) { char ch = Character.toLowerCase(aStringcharAt(i)); System.out.print(ch); if(!Character.isLetter(ch)) numLetters++; } System.out.println(); System.out.println ("The number of CHARACTERS…In Java trace the table for the do while loop public class Main { public static void main(String[] args) { int x,j,y; /// Question 1 j = 30; x=5; do { j=j-x-2; --x; }while (j > 20); j x j>20Please explain Common String Mistake in the code below/question in Bold: public class StringMistakeDemo{public static void main(String[] args) {String a = "Roux";String b = "Roux";String c = new String("Roux"); /** Number 1* Consider the output from the this block of code. * Which line causes the "false"?* Why are the last two lines different?*/System.out.println();System.out.println("Roux" == "Roux"); //comparing two stringsSystem.out.println(a == b); //comparing two string variablesSystem.out.println(a == c); //comparing two other string variablesSystem.out.println(a.equals(c));//using the string class method "equals"/** Number 2* "identityHashCode" provides a numeric signature that includes the * memory location for the variable. * What does the following output tell you about how Java stores…
- Multiples(): Takes an int (n) as parameter and prints first 10 multiples n in a single line using for loop. Example: 5 5,10,15,20,25,30,35,40,45,50 class Main {public static void main(String[] args) {}}class Output { public static void main(String args[]) { byte a[] = { 65, 66, 67, 68, 69, 70 }; byte b[] = { 71, 72, 73, 74, 75, 76 }; System.arraycopy(a, 2, b, 1, a.length-2); System.out.print(new String(a) + " " + new String(b)); } } The output of the above Java code is?Write a program which reads string and rewrite it in alphabetical order. For example, the word STRING should be written as GINRST.
- // Program displays some facts about a stringpublic class DebugSeven3{public static void main(String[] args){ String quote ="Honesty is the first chapter in the book of wisdom. - Thomas Jefferson"; System.out.println("index.of('f') is: " + indexOf('f'));System.out.println("index.of('x') is: " + indexOf('x'));System.out.println("char.At(5) is: " + charAt(5));System.out.println("endsWith(\"daughter\") is: " + quote.endswith("daughter"));System.out.println("endsWith(\"son\") is: " + quote.endswith("son"));System.out.println("replace('e', '*') is: " + quote.replace('e', 'M'));}}Help me solve this problem /*** Using the Counter-controlled while Loop.** @author* @version*/public class PS06B{/*** Write the method xyzMiddle().** Given a String str, does "xyz" appear in the* "middle" of the string. To define middle, we'll* say that the number characters to the left and* right of the "xyz" must differ by, at most, one.** Examples:* xyzMiddle("AAxyzBB") returns true* xyzMiddle("AxyzBB") returns true* xyzMiddle("AxyzBBB") returns false** @param str the String to examine.* @return true if xyz is in the "middle" of str.*/// TODO - Write the method xyZMiddle here. /*** Write the method named repeatSeparator().** Given two String inputs, word and separator,* along with a third int input count, return a* big String consisting of count copies of word,* each separated by separator.** Note: This is a very common algorithm, called the* fencepost algorithm, because just like building a* fence, you need 11 fenceposts to hold up 10 sections* of fence.** Examples:*…Write a program that reads a word and prints whether it is short (fewer than 5 letters).it is long (at least 10 letters).it ends with the letter y.starts and ends with the same letter.words.cpp 12345678910111213141516171819202122232425262728293031323334#include <iostream>#include <iomanip>#include <string>using namespace std;int main(){ cout << "Enter a word: " << endl; string word; cin >> word; if (. . .) { . . . } if (. . .) { . . . } if (. . .) { . . . } if (. . .) { . . . } return 0;}CodeCheckReset
