add array code exerciese to exerises

exercises/array/README.md

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+# array
+
+Arrays are one of the first data types beginner programmers learn. An array is a collection of elements of the same type allocated in a contiguous memory block.
+
+
+## Further information
+
+- [GitHub Repository](https://github.com/rust-lang/rust-clippy).

exercises/array/array1.rs

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+// array1.rs
+//
+// Here is the code for how the array learns
+
+// I AM NOT DONE
+
+
+
+use std :: vec;
+fn main() {
+    // array definition
+    let  number  = [1,3,5,7,9,11,1,4];
+    let sdf = number[3];
+    println!("sdf is {}",sdf);
+    // How to create an array
+    let mut v = Vec::new();
+    v.push(1);
+    v.push(23);
+    v.push(87);
+    println!("v:{:?}",v);
+
+    let mut v2 = Vec::with_capacity(20);
+    v2.push(23);
+    v2.push(12);
+    v2.push(25);
+    v2.push(18);
+    v2.push(21);
+    v2.push(15);
+    v2.push(27);
+    v2.push(10);
+    v2.push(16);
+    v2.push(23);
+    v2.push(12);
+    // print result 
+    println!("v2:{:?}",v2);
+    v2.pop();
+    println!("v2:{:?}",v2);
+   // v2.remove(v2[2]);
+    println!("v3:{:?}",v2);
+
+
+}

exercises/array/array2.rs

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+// array2.rs
+//
+// Here is the code for how the array learns
+
+// I AM NOT DONE
+
+
+struct soultion;
+
+impl soultion{
+    pub fn zero_move(nums: & mut Vec<i32>){
+        let mut i =0;
+        let mut j =0;
+        while j <nums.len(){
+            if nums[j] !=0{
+                nums[i] = nums[j];
+                i+=1;
+            }
+            j +=1;
+        }
+        let mut k = i;
+        while k < nums.len() {
+            nums[k] =0;
+            k +=1;
+            
+        }
+
+    }
+}
+fn main() {
+    let mut vec:Vec<i32> = vec![0,0,3,0,5];
+    soultion::zero_move(& mut vec);
+    println!("{:?}",vec);
+}