import org.jetbrains.annotations.NotNull; class Some { String field1; String field2; String field3; String field4; String field5; String field6; String field7; String field8; String field9; void a(String[] lines) { for (String line : lines) { if (line.startsWith("1")) field1 = someString(); else if (line.startsWith("2")) field2 = someString(); else if (line.startsWith("3")) field3 = someString(); else if (line.startsWith("4")) field4 = someString(); else if (line.startsWith("5")) field5 = someString(); else if (line.startsWith("6")) field6 = someString(); else if (line.startsWith("7")) field7 = someString(); else if (line.startsWith("8")) field8 = someString(); else if (line.startsWith("9")) field9 = someString(); } System.out.println(field1); System.out.println(field2); System.out.println(field3); System.out.println(field4); System.out.println(field5); System.out.println(field6); System.out.println(field7); System.out.println(field8); System.out.println(field9); } @NotNull String someString() { return ""; } }