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question has to do with Java programing. I am attempting to do a Regex Lab and read in a text file and validate whether or not it is license plate. The problem is that the text file is read and one of the examples is "ABC 1234", but it reads "ABC" instead of the whole line. I will attach the screenshots of what I have so fa

question has to do with Java programing. I am attempting to do a Regex Lab and read in a text file and validate whether or not it is license plate. The problem is that the text file is read and one of the examples is "ABC 1234", but it reads "ABC" instead of the whole line. I will attach the screenshots of what I have so fa

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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My question has to do with Java programing. I am attempting to do a Regex Lab and read in a text file and validate whether or not it is license plate. The problem is that the text file is read and one of the examples is "ABC 1234", but it reads "ABC" instead of the whole line. I will attach the screenshots of what I have so far. 

File Edit View Build Project Settings Tools Window Help В All Files Sort B... 1 АВС 1234 2 HJ3 350P 3 ) (4 POkj 4 490nnIOK /Object Oriented Pro 5 86R TLM9 BigIntBigDecimalLab. J BigIntBigDecimalLab. BiglntegerBig Decima ClassRelationshipLab J ClassRelationshipLab 6 tYU 97M 7 QAU IFB 8 pI9 3fX 9 ZI7 D60 10 L82 HWC Clock.class Clock.java idbb.txt regexlab.txt StringBuilderLab.clas J StringBuilderLab.java StringRegexLab.class U StringRegexLab.java Time.class Time.java J WrapperClassesExam G CSD G CSD G CSD G G G |G G G CSD G G CSD G CSD G G G G G G CSD G |G G G G G G CSD G CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD Compile Messages JGRASP Messages Run I/0 Interactions The proposed license plate is ) ( 4. This is not a valid license plate. The proposed license plate is POkj. This is not a valid license plate. The proposed license plate is 490nnIOK. This is not a valid license plate. End Clear Help Browse Find Debug Workbench Line:1 Col:1 Code:65 Top:1 ovs BLK
Transcribed Image Text:File Edit View Build Project Settings Tools Window Help В All Files Sort B... 1 АВС 1234 2 HJ3 350P 3 ) (4 POkj 4 490nnIOK /Object Oriented Pro 5 86R TLM9 BigIntBigDecimalLab. J BigIntBigDecimalLab. BiglntegerBig Decima ClassRelationshipLab J ClassRelationshipLab 6 tYU 97M 7 QAU IFB 8 pI9 3fX 9 ZI7 D60 10 L82 HWC Clock.class Clock.java idbb.txt regexlab.txt StringBuilderLab.clas J StringBuilderLab.java StringRegexLab.class U StringRegexLab.java Time.class Time.java J WrapperClassesExam G CSD G CSD G CSD G G G |G G G CSD G G CSD G CSD G G G G G G CSD G |G G G G G G CSD G CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD Compile Messages JGRASP Messages Run I/0 Interactions The proposed license plate is ) ( 4. This is not a valid license plate. The proposed license plate is POkj. This is not a valid license plate. The proposed license plate is 490nnIOK. This is not a valid license plate. End Clear Help Browse Find Debug Workbench Line:1 Col:1 Code:65 Top:1 ovs BLK
File Edit View Build Project Settings Tools Window Help В All Files Sort B... { list[i] = list[i].replaceAll("\\s", ""); System.out.println(list[i]); } 61 62 |/Object Oriented Pro 65 BigIntBig DecimalLab. O BigIntBigDecimalLab. O BiglntegerBigDecima ClassRelationshipLab J ClassRelationshipLab 66 67 File myFile Scanner in new File("regexlab.txt"); // Declares a variable of type File new Scanner(myFile); 68 69 70 String lp = " "; Clock.class 71 while (in.hasNext()) { 72 Clock.java 73 idbb.txt 74 = in.next(); regexlab.txt StringBuilderLab.clas U StringBuilderLab.java StringRegexLab.class U StringRegexLab.java lp System.out.println("The proposed license plate is if(lp.matches ("[A-Z0-9]{3} [A-Z0-9]{4}")) { System.out.println("This is a valid license plate."); } else 75 + lp + ') ; 76 77 78 79 Time.class 81 System.out.println("This is not a valid license plate."); Time.java J WrapperClassesExam }// close while loop in.close() ; 82 83 84 }// end of main 86 }// end of StringRegexLab 85 G CSD G CSD G G CSD G G CSD G CSD G CSD G CSD G G G G CSD G G CSD G G G G G G G G G CSD G CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD Compile Messages JGRASP Messages Run I/0 Interactions The proposed license plate is ) ( 4. This is not a valid license plate. The proposed license plate is POkj. This is not a valid license plate. The proposed license plate is 490nnIOK. This is not a valid license plate. End Clear Help Browse Find Debug Workbench Line:76 Col:41 Code:65 Top:61 ovS BLK RI 4 5 6 00 00 00 O 00 OO 0 666 66
Transcribed Image Text:File Edit View Build Project Settings Tools Window Help В All Files Sort B... { list[i] = list[i].replaceAll("\\s", ""); System.out.println(list[i]); } 61 62 |/Object Oriented Pro 65 BigIntBig DecimalLab. O BigIntBigDecimalLab. O BiglntegerBigDecima ClassRelationshipLab J ClassRelationshipLab 66 67 File myFile Scanner in new File("regexlab.txt"); // Declares a variable of type File new Scanner(myFile); 68 69 70 String lp = " "; Clock.class 71 while (in.hasNext()) { 72 Clock.java 73 idbb.txt 74 = in.next(); regexlab.txt StringBuilderLab.clas U StringBuilderLab.java StringRegexLab.class U StringRegexLab.java lp System.out.println("The proposed license plate is if(lp.matches ("[A-Z0-9]{3} [A-Z0-9]{4}")) { System.out.println("This is a valid license plate."); } else 75 + lp + ') ; 76 77 78 79 Time.class 81 System.out.println("This is not a valid license plate."); Time.java J WrapperClassesExam }// close while loop in.close() ; 82 83 84 }// end of main 86 }// end of StringRegexLab 85 G CSD G CSD G G CSD G G CSD G CSD G CSD G CSD G G G G CSD G G CSD G G G G G G G G G CSD G CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD CSD Compile Messages JGRASP Messages Run I/0 Interactions The proposed license plate is ) ( 4. This is not a valid license plate. The proposed license plate is POkj. This is not a valid license plate. The proposed license plate is 490nnIOK. This is not a valid license plate. End Clear Help Browse Find Debug Workbench Line:76 Col:41 Code:65 Top:61 ovS BLK RI 4 5 6 00 00 00 O 00 OO 0 666 66
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