java UVA得到RE，但我不知道为什么。

Posted 2021-05-08

import java.util.*;
public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scanner = new Scanner(System.in);
		int num = Integer.parseInt(scanner.nextLine());
		String str = scanner.nextLine();
		boolean start = false;
		while(num-->0){
			if(start){
				System.out.println();
			}
			start = true;
			String origin = scanner.nextLine();
			String convert = scanner.nextLine();
			char originTable[] = origin.toCharArray();
			char convertTable[] = convert.toCharArray();
			System.out.println(convert);
			System.out.println(origin);
			
			while(true){
				String temp = scanner.nextLine();
				if("".equals(temp)){
					break;
				}
				char input[] = temp.toCharArray();
				for(int i=0;i<input.length;i++){
					boolean find = false;
					for(int j=0;j<originTable.length;j++){
						if(input[i] == originTable[j]){
							System.out.print(convertTable[j]);
							find = true;
							break;
						}
					}
					if(!find){
						System.out.print(input[i]);
					}
				}
				System.out.println();
			}
			
		}
		
	}

}