java - How can I use a String in a different method? -


so i've got problem, i've got 4 methods, first method opens 2 files using scanner. second method reads 2 files using while loop on both files in order me make strings out of files content, while doing format strings have read file. third method meant match 2 strings first , second file don't know how strings third method. i've tried using instance variable won't work have strings in while loop , there more 1 string in each file well. sort of appreciated! i'll add problem match method.

my code:

public void read() {      while (sta.hasnext()) {          string ab = sta.next();         string bb = sta.next();         string cb = sta.next();          string a1 = ab.replace(",", " ").trim();         string b1 = bb.replace(",", " ").trim();         string c1 = cb.replace(",", " ").trim();          system.out.printf("%s\n%s\n%s\n", a1, b1, c1);      }      while (wr.hasnext()) {          string p1 = wr.next();         string p2 = wr.next();          string m1 = p1.replace(",", " ").trim();         string m2 = p2.replace(",", " ").trim();          system.out.printf("%s\n%s\n", m1, m2);      }  }  public void match(){      if (a1 == m1){         system.out.println("same");     }      else {         system.out.println("not same");     }  }

thanks


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