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- import java.util.Scanner;
- public class Question1 {
- public static void main(String[] args) {
- Scanner reader = new Scanner(System.in);
- System.out.println("What would you like me to check for consecutiveness?");
- String message = reader.nextLine();
- if ((consecIncrease (message) == true) || (consecDecrease (message)== true)) {
- System.out.format("The message has consecutive characters.");
- }
- else
- {
- System.out.format("The message does not have consecutive characters.");
- }
- } // end main
- // method 1
- public static boolean consecIncrease(String message) {
- boolean lowerCaseConsec = false;
- boolean upperCaseConsec = false;
- boolean numberConsec = false;
- boolean result = false;
- //should check one less than the message length.
- for (int i = 0; i < message.length() - 1; i++) {
- if ((message.charAt(i) >= 'a' && message.charAt(i) <= 'z')
- && (((message.charAt(i) == message.charAt(i + 1)+ ('a' - 'b'))
- || (message.charAt(i) == message.charAt(i + 1) + ('a' - 'B')))
- || (message.charAt(i+1)>= '0' && message.charAt(i+1)<= '9'))) {
- lowerCaseConsec = true;
- }
- else if ((message.charAt(i) >= 'A' && message.charAt(i) <= 'Z')
- && (((message.charAt(i) == message.charAt(i + 1)+ ('A' - 'B'))
- || (message.charAt(i) == message.charAt(i + 1) + ('A' - 'b')))
- || (message.charAt(i+1)>= '0' && message.charAt(i+1)<= '9'))) {
- upperCaseConsec = true;
- }
- else if ((message.charAt(i) >= '0' && message.charAt(i) <= '9')
- && (((message.charAt(i) == message.charAt(i + 1)+ ('0' - '1')))
- || (message.charAt(i+1) >= 'a' && message.charAt(i+1) <= 'z')
- || (message.charAt(i+1)>= 'A' && message.charAt(i+1)<= 'Z'))) {
- numberConsec = true;
- }
- else {
- result = false;
- }
- }// end for
- boolean finalResult = (lowerCaseConsec && upperCaseConsec && numberConsec && result);
- return finalResult;
- } // end method 1
- // method 2
- public static boolean consecDecrease(String message) {
- boolean lowerCaseConsec = false;
- boolean upperCaseConsec = false;
- boolean numberConsec = false;
- boolean result = false;
- for (int x = 0; x < message.length() - 1; x++ ) {
- if ((message.charAt(x) >= 'a' && message.charAt(x) <= 'z')
- && (((message.charAt(x) == message.charAt(x+1) +('b' - 'a'))
- || (message.charAt(x) == message.charAt(x+1) + ('b' -'A')))
- || (message.charAt(x+1)>= '0' && message.charAt(x+1)<= '9'))) {
- lowerCaseConsec = true;
- }
- else if ((message.charAt(x) >= 'A' && message.charAt(x) <= 'Z')
- && (((message.charAt(x) == message.charAt(x+1) + ('B' - 'A'))
- || (message.charAt(x) == message.charAt(x+1) + ('B' -'a')))
- || (message.charAt(x+1)>= '0' && message.charAt(x+1)<= '9'))) {
- upperCaseConsec = true;
- }
- else if ((message.charAt(x) >= '0' && message.charAt(x) <= '9')
- && (((message.charAt(x) == message.charAt(x+1) + ('2' - '1')))
- || (message.charAt(x+1) >= 'a' && message.charAt(x+1) <= 'z')
- || (message.charAt(x+1)>= 'A' && message.charAt(x+1)<= 'Z'))) {
- numberConsec = true;
- }
- else {
- result = false;
- }
- }// end for
- boolean finalResult = (lowerCaseConsec && upperCaseConsec && numberConsec && result);
- return finalResult;
- }//end method 2
- }
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