Hello there I need help with #21,23,24,26,27,29, 30, 32,33

Any help would be appreciated. I would prefer to get direct answers for these because I need the answers asap. These are all java based questions

8.10 What does this method de? public int foof int [3a Projects 551 for (int 1 -0: 1a.length; if (al1310) return 1 return -1 24. What does this method do? public boolean foo( int [a for (int i -0:1a.length; if (a[i] 0) return false: return true 25. What does this method do? public String [ fool String [1a String [ ] temp new String[a.length]; or ( int i = 0; i